Q: What is the sum of all factors of the number 64,815 excluding 64,815?
A: 43,185
The factors of the number 64,815 are: 1, 3, 5, 15, 29, 87, 145, 149, 435, 447, 745, 2235, 4321, 12963, 21605, 64815.
If you add them up, you will get the total of 64,858. Now subtract 64,815 to get 43,185