Q: What is the sum of all factors of the number 13,215,225 excluding 13,215,225?

A: 10,211,847

Why is 10,211,847 the sum of all factors of 13,215,225, excluding 13,215,225?

The factors of the number 13,215,225 are: 1, 3, 5, 15, 23, 25, 47, 69, 75, 115, 141, 163, 235, 345, 489, 575, 705, 815, 1081, 1175, 1725, 2445, 3243, 3525, 3749, 4075, 5405, 7661, 11247, 12225, 16215, 18745, 22983, 27025, 38305, 56235, 81075, 93725, 114915, 176203, 191525, 281175, 528609, 574575, 881015, 2643045, 4405075, 13215225.

If you add them up, you will get the total of 13,215,235. Now subtract 13,215,225 to get 10,211,847