Q: What is the sum of all factors of the number 40,744,809 including 40,744,809?

Why is 69,405,440 the sum of all factors of 40,744,809, including 40,744,809?

The factors of the number 40,744,809 are: 1, 3, 7, 9, 21, 27, 63, 189, 193, 579, 1117, 1351, 1737, 3351, 4053, 5211, 7819, 10053, 12159, 23457, 30159, 36477, 70371, 211113, 215581, 646743, 1509067, 1940229, 4527201, 5820687, 13581603, 40744809.

If you add them up, you will get the total of 69,405,440.

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