Q: What is the sum of all factors of the number 1,212,909 excluding 1,212,909?
A: 420,723
The factors of the number 1,212,909 are: 1, 3, 101, 303, 4003, 12009, 404303, 1212909.
If you add them up, you will get the total of 1,213,329. Now subtract 1,212,909 to get 420,723