Q: What is the sum of all factors of the number 1,220,217 excluding 1,220,217?
A: 406,743
The factors of the number 1,220,217 are: 1, 3, 406739, 1220217.
If you add them up, you will get the total of 1,220,623. Now subtract 1,220,217 to get 406,743