Q: What is the sum of all factors of the number 81,345 excluding 81,345?

 A: 74,175

Why is 74,175 the sum of all factors of 81,345, excluding 81,345?

The factors of the number 81,345 are: 1, 3, 5, 11, 15, 17, 29, 33, 51, 55, 85, 87, 145, 165, 187, 255, 319, 435, 493, 561, 935, 957, 1479, 1595, 2465, 2805, 4785, 5423, 7395, 16269, 27115, 81345.

If you add them up, you will get the total of 81,419. Now subtract 81,345 to get 74,175


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