Q: What is the sum of all factors of the number 824,257,215 excluding 824,257,215?

Why is 657,372,753 the sum of all factors of 824,257,215, excluding 824,257,215?

The factors of the number 824,257,215 are: 1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 678401, 2035203, 3392005, 6105609, 10176015, 18316827, 30528045, 54950481, 91584135, 164851443, 274752405, 824257215.

If you add them up, you will get the total of 824,257,872. Now subtract 824,257,215 to get 657,372,753

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