Q: What is the sum of all factors of the number 10,003,905 excluding 10,003,905?

A: 8,996,967

Why is 8,996,967 the sum of all factors of 10,003,905, excluding 10,003,905?

The factors of the number 10,003,905 are: 1, 3, 5, 9, 15, 17, 27, 45, 51, 81, 85, 135, 153, 255, 405, 459, 765, 1377, 1453, 2295, 4359, 6885, 7265, 13077, 21795, 24701, 39231, 65385, 74103, 117693, 123505, 196155, 222309, 370515, 588465, 666927, 1111545, 2000781, 3334635, 10003905.

If you add them up, you will get the total of 10,003,913. Now subtract 10,003,905 to get 8,996,967