What is the Sum of Factors of 3991?

The Sum of Factors of 3991 means that you add up all the factors of 3991. You may be looking for the Sum of Factors of 3991 including or excluding 3991 itself.

Here is the calculation and answer to the Sum of all Factors of 3991 including 3991:

1 + 13 + 307 + 3991 = 4312

Here is the calculation and answer to the Sum of Factors of 3991 if you exclude 3991 itself:

1 + 13 + 307 = 321

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