Q: What is the sum of all factors of the number 31,143 excluding 31,143?

 A: 16,345

Why is 16,345 the sum of all factors of 31,143, excluding 31,143?

The factors of the number 31,143 are: 1, 3, 7, 21, 1483, 4449, 10381, 31143.

If you add them up, you will get the total of 31,159. Now subtract 31,143 to get 16,345


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