Q: What is the sum of all factors of the number 12,519 excluding 12,519?
A: 7,137
The factors of the number 12,519 are: 1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 4173, 12519.
If you add them up, you will get the total of 12,526. Now subtract 12,519 to get 7,137