Q: What is the sum of all factors of the number 1,226,205 including 1,226,205?

Why is 2,257,920 the sum of all factors of 1,226,205, including 1,226,205?

The factors of the number 1,226,205 are: 1, 3, 5, 9, 15, 27, 31, 45, 93, 135, 155, 279, 293, 465, 837, 879, 1395, 1465, 2637, 4185, 4395, 7911, 9083, 13185, 27249, 39555, 45415, 81747, 136245, 245241, 408735, 1226205.

If you add them up, you will get the total of 2,257,920.

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