Q: What is the sum of all factors of the number 213,939 excluding 213,939?
A: 123,333
The factors of the number 213,939 are: 1, 3, 9, 11, 33, 99, 2161, 6483, 19449, 23771, 71313, 213939.
If you add them up, you will get the total of 214,062. Now subtract 213,939 to get 123,333