Q: What is the sum of all factors of the number 642,150,225 excluding 642,150,225?

A: 558,028,911

Why is 558,028,911 the sum of all factors of 642,150,225, excluding 642,150,225?

The factors of the number 642,150,225 are: 1, 3, 5, 9, 15, 23, 25, 45, 69, 75, 115, 207, 225, 345, 575, 1035, 1725, 5175, 124087, 372261, 620435, 1116783, 1861305, 2854001, 3102175, 5583915, 8562003, 9306525, 14270005, 25686009, 27919575, 42810015, 71350025, 128430045, 214050075, 642150225.

If you add them up, you will get the total of 642,150,783. Now subtract 642,150,225 to get 558,028,911