Q: What is the sum of all factors of the number 520,425 excluding 520,425?

 A: 447,333

Why is 447,333 the sum of all factors of 520,425, excluding 520,425?

The factors of the number 520,425 are: 1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 257, 405, 675, 771, 1285, 2025, 2313, 3855, 6425, 6939, 11565, 19275, 20817, 34695, 57825, 104085, 173475, 520425.

If you add them up, you will get the total of 520,872. Now subtract 520,425 to get 447,333


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