Q: What is the sum of all factors of the number 143,445 excluding 143,445?

A: 90,987

Why is 90,987 the sum of all factors of 143,445, excluding 143,445?

The factors of the number 143,445 are: 1, 3, 5, 15, 73, 131, 219, 365, 393, 655, 1095, 1965, 9563, 28689, 47815, 143445.

If you add them up, you will get the total of 143,535. Now subtract 143,445 to get 90,987

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