Q: What is the sum of all factors of the number 12,495 excluding 12,495?
A: 12,129
The factors of the number 12,495 are: 1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1785, 2499, 4165, 12495.
If you add them up, you will get the total of 12,507. Now subtract 12,495 to get 12,129