Q: What is the sum of all factors of the number 85,351,815 excluding 85,351,815?

A: 71,829,729

Why is 71,829,729 the sum of all factors of 85,351,815, excluding 85,351,815?

The factors of the number 85,351,815 are: 1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 289, 765, 867, 1445, 2601, 4335, 6563, 13005, 19689, 32815, 59067, 98445, 111571, 295335, 334713, 557855, 1004139, 1673565, 1896707, 5020695, 5690121, 9483535, 17070363, 28450605, 85351815.

If you add them up, you will get the total of 85,351,886. Now subtract 85,351,815 to get 71,829,729