Q: What is the sum of all factors of the number 121,123,221 excluding 121,123,221?

 A: 49,142,763

Why is 49,142,763 the sum of all factors of 121,123,221, excluding 121,123,221?

The factors of the number 121,123,221 are: 1, 3, 23, 69, 97, 291, 2231, 6693, 18097, 54291, 416231, 1248693, 1755409, 5266227, 40374407, 121123221.

If you add them up, you will get the total of 121,123,270. Now subtract 121,123,221 to get 49,142,763


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