Q: What is the sum of all factors of the number 257,715 excluding 257,715?

 A: 226,125

Why is 226,125 the sum of all factors of 257,715, excluding 257,715?

The factors of the number 257,715 are: 1, 3, 5, 9, 15, 23, 27, 45, 69, 83, 115, 135, 207, 249, 345, 415, 621, 747, 1035, 1245, 1909, 2241, 3105, 3735, 5727, 9545, 11205, 17181, 28635, 51543, 85905, 257715.

If you add them up, you will get the total of 257,941. Now subtract 257,715 to get 226,125


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