Q: What is the sum of all factors of the number 1,220,211 excluding 1,220,211?
A: 631,309
The factors of the number 1,220,211 are: 1, 3, 9, 27, 43, 129, 387, 1051, 1161, 3153, 9459, 28377, 45193, 135579, 406737, 1220211.
If you add them up, you will get the total of 1,220,842. Now subtract 1,220,211 to get 631,309