Q: What is the sum of all factors of the number 2,173,725 excluding 2,173,725?
A: 1,720,061
The factors of the number 2,173,725 are: 1, 3, 5, 9, 15, 25, 45, 75, 225, 9661, 28983, 48305, 86949, 144915, 241525, 434745, 724575, 2173725.
If you add them up, you will get the total of 2,173,726. Now subtract 2,173,725 to get 1,720,061