Q: What is the sum of all factors of the number 1,428,427 excluding 1,428,427?

 A: 490,805

Why is 490,805 the sum of all factors of 1,428,427, excluding 1,428,427?

The factors of the number 1,428,427 are: 1, 7, 11, 13, 77, 91, 143, 1001, 1427, 9989, 15697, 18551, 109879, 129857, 204061, 1428427.

If you add them up, you will get the total of 1,428,917. Now subtract 1,428,427 to get 490,805


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