Q: What is the sum of all factors of the number 261,716,013 including 261,716,013?

Why is 428,544,480 the sum of all factors of 261,716,013, including 261,716,013?

The factors of the number 261,716,013 are: 1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 117731, 353193, 1059579, 1530503, 2236889, 4591509, 6710667, 13774527, 20132001, 29079557, 87238671, 261716013.

If you add them up, you will get the total of 428,544,480.

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