Q: What is the sum of all factors of the number 1,161,225 including 1,161,225?

Why is 2,245,516 the sum of all factors of 1,161,225, including 1,161,225?

The factors of the number 1,161,225 are: 1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 325, 397, 585, 975, 1191, 1985, 2925, 3573, 5161, 5955, 9925, 15483, 17865, 25805, 29775, 46449, 77415, 89325, 129025, 232245, 387075, 1161225.

If you add them up, you will get the total of 2,245,516.

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