Q: What is the sum of all factors of the number 3,855,789 including 3,855,789?

Why is 6,819,840 the sum of all factors of 3,855,789, including 3,855,789?

The factors of the number 3,855,789 are: 1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 887, 1449, 2661, 4347, 6209, 7983, 18627, 20401, 23949, 55881, 61203, 142807, 167643, 183609, 428421, 550827, 1285263, 3855789.

If you add them up, you will get the total of 6,819,840.

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