Q: What is the sum of all factors of the number 1,220,451 excluding 1,220,451?
A: 406,821
The factors of the number 1,220,451 are: 1, 3, 406817, 1220451.
If you add them up, you will get the total of 1,220,857. Now subtract 1,220,451 to get 406,821