Q: What is the sum of all factors of the number 665,223,363 excluding 665,223,363?

A: 455,500,605

Why is 455,500,605 the sum of all factors of 665,223,363, excluding 665,223,363?

The factors of the number 665,223,363 are: 1, 3, 7, 9, 21, 49, 63, 147, 421, 441, 1263, 2947, 3583, 3789, 8841, 10749, 20629, 25081, 26523, 32247, 61887, 75243, 175567, 185661, 225729, 526701, 1508443, 1580103, 4525329, 10559101, 13575987, 31677303, 73913707, 95031909, 221741121, 665223363.

If you add them up, you will get the total of 665,223,818. Now subtract 665,223,363 to get 455,500,605