Q: What is the sum of all factors of the number 972,621 including 972,621?

Why is 1,653,120 the sum of all factors of 972,621, including 972,621?

The factors of the number 972,621 are: 1, 3, 9, 13, 17, 27, 39, 51, 117, 153, 163, 221, 351, 459, 489, 663, 1467, 1989, 2119, 2771, 4401, 5967, 6357, 8313, 19071, 24939, 36023, 57213, 74817, 108069, 324207, 972621.

If you add them up, you will get the total of 1,653,120.

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