Q: What is the sum of all factors of the number 324,523,521 excluding 324,523,521?

A: 223,223,679

Why is 223,223,679 the sum of all factors of 324,523,521, excluding 324,523,521?

The factors of the number 324,523,521 are: 1, 3, 7, 9, 21, 49, 63, 147, 239, 441, 717, 1673, 2151, 3079, 5019, 9237, 11711, 15057, 21553, 27711, 35133, 64659, 105399, 150871, 193977, 452613, 735881, 1357839, 2207643, 5151167, 6622929, 15453501, 36058169, 46360503, 108174507, 324523521.

If you add them up, you will get the total of 324,523,744. Now subtract 324,523,521 to get 223,223,679