Q: What is the sum of all factors of the number 255,021,255 excluding 255,021,255?

 A: 187,800,345

Why is 187,800,345 the sum of all factors of 255,021,255, excluding 255,021,255?

The factors of the number 255,021,255 are: 1, 3, 5, 9, 15, 45, 599, 1797, 2995, 5391, 8985, 9461, 26955, 28383, 47305, 85149, 141915, 425745, 5667139, 17001417, 28335695, 51004251, 85007085, 255021255.

If you add them up, you will get the total of 255,021,442. Now subtract 255,021,255 to get 187,800,345


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