Q: What is the sum of all factors of the number 657,413,361 excluding 657,413,361?

A: 408,301,839

Why is 408,301,839 the sum of all factors of 657,413,361, excluding 657,413,361?

The factors of the number 657,413,361 are: 1, 3, 9, 11, 27, 33, 99, 297, 347, 1041, 3123, 3817, 6379, 9369, 11451, 19137, 34353, 57411, 70169, 103059, 172233, 210507, 631521, 1894563, 2213513, 6640539, 19921617, 24348643, 59764851, 73045929, 219137787, 657413361.

If you add them up, you will get the total of 657,413,769. Now subtract 657,413,361 to get 408,301,839