Q: What is the sum of all factors of the number 30,861 excluding 30,861?

 A: 15,731

Why is 15,731 the sum of all factors of 30,861, excluding 30,861?

The factors of the number 30,861 are: 1, 3, 9, 27, 81, 127, 243, 381, 1143, 3429, 10287, 30861.

If you add them up, you will get the total of 30,876. Now subtract 30,861 to get 15,731


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