Q: What is the sum of all factors of the number 16,815 excluding 16,815?
A: 11,985
The factors of the number 16,815 are: 1, 3, 5, 15, 19, 57, 59, 95, 177, 285, 295, 885, 1121, 3363, 5605, 16815.
If you add them up, you will get the total of 16,826. Now subtract 16,815 to get 11,985