Q: What is the sum of all factors of the number 147 excluding 147?

 A: 81

Why is 81 the sum of all factors of 147, excluding 147?

The factors of the number 147 are: 1, 3, 7, 21, 49, 147.

If you add them up, you will get the total of 228. Now subtract 147 to get 81


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