Q: What is the sum of all factors of the number 1,309 including 1,309?

Why is 1,728 the sum of all factors of 1,309, including 1,309?

The factors of the number 1,309 are: 1, 7, 11, 17, 77, 119, 187, 1309.

If you add them up, you will get the total of 1,728.

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