Q: What is the sum of all factors of the number 9,720,891 excluding 9,720,891?
A: 4,800,561
The factors of the number 9,720,891 are: 1, 3, 9, 27, 81, 120011, 360033, 1080099, 3240297, 9720891.
If you add them up, you will get the total of 9,720,895. Now subtract 9,720,891 to get 4,800,561