Q: What is the sum of all factors of the number 1,203,639 excluding 1,203,639?
A: 406,713
The factors of the number 1,203,639 are: 1, 3, 421, 953, 1263, 2859, 401213, 1203639.
If you add them up, you will get the total of 1,204,045. Now subtract 1,203,639 to get 406,713