Q: What is the sum of all factors of the number 11,505 excluding 11,505?
A: 8,655
The factors of the number 11,505 are: 1, 3, 5, 13, 15, 39, 59, 65, 177, 195, 295, 767, 885, 2301, 3835, 11505.
If you add them up, you will get the total of 11,513. Now subtract 11,505 to get 8,655