Q: What is the sum of all factors of the number 28,866,861 excluding 28,866,861?

 A: 15,745,839

Why is 15,745,839 the sum of all factors of 28,866,861, excluding 28,866,861?

The factors of the number 28,866,861 are: 1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12289, 36867, 110601, 331803, 356381, 995409, 1069143, 3207429, 9622287, 28866861.

If you add them up, you will get the total of 28,866,876. Now subtract 28,866,861 to get 15,745,839


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