Q: What is the sum of all factors of the number 1,264,809 including 1,264,809?

Why is 2,145,024 the sum of all factors of 1,264,809, including 1,264,809?

The factors of the number 1,264,809 are: 1, 3, 7, 13, 21, 39, 41, 91, 113, 123, 273, 287, 339, 533, 791, 861, 1469, 1599, 2373, 3731, 4407, 4633, 10283, 11193, 13899, 30849, 32431, 60229, 97293, 180687, 421603, 1264809.

If you add them up, you will get the total of 2,145,024.

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