Q: What is the sum of all factors of the number 727,757,505 excluding 727,757,505?

A: 612,551,439

Why is 612,551,439 the sum of all factors of 727,757,505, excluding 727,757,505?

The factors of the number 727,757,505 are: 1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 317, 765, 951, 1585, 2853, 3001, 4755, 5389, 9003, 14265, 15005, 16167, 26945, 27009, 45015, 48501, 51017, 80835, 135045, 153051, 242505, 255085, 459153, 765255, 951317, 2295765, 2853951, 4756585, 8561853, 14269755, 16172389, 42809265, 48517167, 80861945, 145551501, 242585835, 727757505.

If you add them up, you will get the total of 727,758,117. Now subtract 727,757,505 to get 612,551,439