Q: What is the sum of all factors of the number 2,166,561 excluding 2,166,561?
A: 1,155,039
The factors of the number 2,166,561 are: 1, 3, 9, 27, 29, 87, 261, 783, 2767, 8301, 24903, 74709, 80243, 240729, 722187, 2166561.
If you add them up, you will get the total of 2,166,562. Now subtract 2,166,561 to get 1,155,039