Q: What is the sum of all factors of the number 165,321,225 excluding 165,321,225?

A: 138,026,547

Why is 138,026,547 the sum of all factors of 165,321,225, excluding 165,321,225?

The factors of the number 165,321,225 are: 1, 3, 5, 9, 15, 25, 41, 45, 75, 123, 205, 225, 369, 615, 1025, 1845, 3075, 9225, 17921, 53763, 89605, 161289, 268815, 448025, 734761, 806445, 1344075, 2204283, 3673805, 4032225, 6612849, 11021415, 18369025, 33064245, 55107075, 165321225.

If you add them up, you will get the total of 165,321,363. Now subtract 165,321,225 to get 138,026,547