Why is 6,897 the sum of all factors of 3,969, including 3,969?
The factors of the number 3,969 are: 1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969.
If you add them up, you will get the total of 6,897.
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