Q: What is the sum of all factors of the number 213,315,945 excluding 213,315,945?

A: 147,181,335

Why is 147,181,335 the sum of all factors of 213,315,945, excluding 213,315,945?

The factors of the number 213,315,945 are: 1, 3, 5, 15, 19, 57, 95, 285, 337, 1011, 1685, 2221, 5055, 6403, 6663, 11105, 19209, 32015, 33315, 42199, 96045, 126597, 210995, 632985, 748477, 2245431, 3742385, 11227155, 14221063, 42663189, 71105315, 213315945.

If you add them up, you will get the total of 213,316,092. Now subtract 213,315,945 to get 147,181,335