Q: What is the sum of all factors of the number 1,561,443 excluding 1,561,443?
A: 680,685
The factors of the number 1,561,443 are: 1, 3, 13, 39, 40037, 120111, 520481, 1561443.
If you add them up, you will get the total of 1,562,123. Now subtract 1,561,443 to get 680,685