Q: What is the sum of all factors of the number 1,275,129 excluding 1,275,129?
A: 640,071
The factors of the number 1,275,129 are: 1, 3, 9, 27, 83, 249, 569, 747, 1707, 2241, 5121, 15363, 47227, 141681, 425043, 1275129.
If you add them up, you will get the total of 1,275,769. Now subtract 1,275,129 to get 640,071