Not to my knowledge. You can chose receiver-ip and logging facility, but not the port number. You could get creative if the syslog receiver is on a different network, and possible NAT the syslog traffic to a different port number. I've never tried it. Just trying to think outside the box.
I went ahead and flagged the "Correct Answer" on this post to make it more visible and help other members of the community find solutions more easily. If you don't feel like the answer I marked was correct, feel free to come back to this post to unmark it and select another in its place with the applicable buttons. If you have any additional information on this that others may benefit from, please come back to this post to provide an update. If you still need assistance, we would be more than happy to continue working with you on this - just let us know in a reply.