Q: What is the sum of all factors of the number 1,972,215 including 1,972,215?

Why is 4,008,960 the sum of all factors of 1,972,215, including 1,972,215?

The factors of the number 1,972,215 are: 1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 2087, 6261, 10435, 14609, 18783, 31305, 43827, 56349, 73045, 93915, 131481, 219135, 281745, 394443, 657405, 1972215.

If you add them up, you will get the total of 4,008,960.

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