Q: What is the sum of all factors of the number 12,159 excluding 12,159?
A: 8,017
The factors of the number 12,159 are: 1, 3, 7, 9, 21, 63, 193, 579, 1351, 1737, 4053, 12159.
If you add them up, you will get the total of 12,167. Now subtract 12,159 to get 8,017