Q: What is the sum of all factors of the number 135,531 excluding 135,531?
A: 83,961
The factors of the number 135,531 are: 1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 1369, 3663, 4107, 12321, 15059, 45177, 135531.
If you add them up, you will get the total of 135,614. Now subtract 135,531 to get 83,961