Q: What is the sum of all factors of the number 153,405 excluding 153,405?

 A: 151,107

Why is 151,107 the sum of all factors of 153,405, excluding 153,405?

The factors of the number 153,405 are: 1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 487, 1461, 2435, 3409, 4383, 7305, 10227, 17045, 21915, 30681, 51135, 153405.

If you add them up, you will get the total of 153,556. Now subtract 153,405 to get 151,107


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