Q: What is the sum of all factors of the number 420,343,143 excluding 420,343,143?

 A: 191,445,657

Why is 191,445,657 the sum of all factors of 420,343,143, excluding 420,343,143?

The factors of the number 420,343,143 are: 1, 3, 11, 33, 2239, 5689, 6717, 17067, 24629, 62579, 73887, 187737, 12737671, 38213013, 140114381, 420343143.

If you add them up, you will get the total of 420,343,334. Now subtract 420,343,143 to get 191,445,657


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