Q: What is the sum of all factors of the number 551,400,423 excluding 551,400,423?

A: 339,703,833

Why is 339,703,833 the sum of all factors of 551,400,423, excluding 551,400,423?

The factors of the number 551,400,423 are: 1, 3, 7, 17, 21, 51, 119, 357, 1063, 1453, 3189, 4359, 7441, 10171, 18071, 22323, 24701, 30513, 54213, 74103, 126497, 172907, 379491, 518721, 1544539, 4633617, 10811773, 26257163, 32435319, 78771489, 183800141, 551400423.

If you add them up, you will get the total of 551,400,762. Now subtract 551,400,423 to get 339,703,833