Q: What is the sum of all factors of the number 3,972,813 excluding 3,972,813?
A: 2,177,331
The factors of the number 3,972,813 are: 1, 3, 13, 23, 39, 43, 69, 103, 129, 299, 309, 559, 897, 989, 1339, 1677, 2369, 2967, 4017, 4429, 7107, 12857, 13287, 30797, 38571, 57577, 92391, 101867, 172731, 305601, 1324271, 3972813.
If you add them up, you will get the total of 3,972,815. Now subtract 3,972,813 to get 2,177,331