Q: What is the sum of all factors of the number 445,735,521 excluding 445,735,521?

A: 377,560,479

Why is 377,560,479 the sum of all factors of 445,735,521, excluding 445,735,521?

The factors of the number 445,735,521 are: 1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 214399, 643197, 1500793, 1929591, 2358389, 4502379, 5788773, 7075167, 13507137, 16508723, 21225501, 40521411, 49526169, 63676503, 148578507, 445735521.

If you add them up, you will get the total of 445,735,898. Now subtract 445,735,521 to get 377,560,479