Q: What is the sum of all factors of the number 231,312,321 excluding 231,312,321?

A: 117,152,319

Why is 117,152,319 the sum of all factors of 231,312,321, excluding 231,312,321?

The factors of the number 231,312,321 are: 1, 3, 9, 27, 101, 271, 303, 313, 813, 909, 939, 2439, 2727, 2817, 7317, 8451, 27371, 31613, 82113, 84823, 94839, 246339, 254469, 284517, 739017, 763407, 853551, 2290221, 8567123, 25701369, 77104107, 231312321.

If you add them up, you will get the total of 231,312,438. Now subtract 231,312,321 to get 117,152,319