Q: What is the sum of all factors of the number 518,574,015 excluding 518,574,015?

A: 409,477,185

Why is 409,477,185 the sum of all factors of 518,574,015, excluding 518,574,015?

The factors of the number 518,574,015 are: 1, 3, 5, 9, 15, 27, 45, 135, 151, 453, 755, 1359, 2265, 4077, 6795, 20385, 25439, 76317, 127195, 228951, 381585, 686853, 1144755, 3434265, 3841289, 11523867, 19206445, 34571601, 57619335, 103714803, 172858005, 518574015.

If you add them up, you will get the total of 518,574,424. Now subtract 518,574,015 to get 409,477,185