Q: What is the sum of all factors of the number 13,515 excluding 13,515?
A: 9,813
The factors of the number 13,515 are: 1, 3, 5, 15, 17, 51, 53, 85, 159, 255, 265, 795, 901, 2703, 4505, 13515.
If you add them up, you will get the total of 13,524. Now subtract 13,515 to get 9,813