Q: What is the sum of all factors of the number 215,895 excluding 215,895?
A: 139,785
The factors of the number 215,895 are: 1, 3, 5, 15, 37, 111, 185, 389, 555, 1167, 1945, 5835, 14393, 43179, 71965, 215895.
If you add them up, you will get the total of 216,034. Now subtract 215,895 to get 139,785