Q: What is the sum of all factors of the number 12,105 excluding 12,105?
A: 8,955
The factors of the number 12,105 are: 1, 3, 5, 9, 15, 45, 269, 807, 1345, 2421, 4035, 12105.
If you add them up, you will get the total of 12,113. Now subtract 12,105 to get 8,955