Q: What is the sum of all factors of the number 1,220,139 excluding 1,220,139?
A: 542,297
The factors of the number 1,220,139 are: 1, 3, 9, 135571, 406713, 1220139.
If you add them up, you will get the total of 1,220,681. Now subtract 1,220,139 to get 542,297