Q: What is the sum of all factors of the number 423,655,623 excluding 423,655,623?

A: 244,043,577

Why is 244,043,577 the sum of all factors of 423,655,623, excluding 423,655,623?

The factors of the number 423,655,623 are: 1, 3, 9, 17, 27, 51, 153, 223, 459, 669, 2007, 3791, 4139, 6021, 11373, 12417, 34119, 37251, 70363, 102357, 111753, 211089, 633267, 922997, 1899801, 2768991, 8306973, 15690949, 24920919, 47072847, 141218541, 423655623.

If you add them up, you will get the total of 423,655,867. Now subtract 423,655,623 to get 244,043,577