Why is 2,304 the sum of all factors of 1,155, including 1,155?
The factors of the number 1,155 are: 1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155.
If you add them up, you will get the total of 2,304.
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