Q: What is the sum of all factors of the number 317,985 excluding 317,985?

 A: 252,255

Why is 252,255 the sum of all factors of 317,985, excluding 317,985?

The factors of the number 317,985 are: 1, 3, 5, 15, 17, 29, 43, 51, 85, 87, 129, 145, 215, 255, 435, 493, 645, 731, 1247, 1479, 2193, 2465, 3655, 3741, 6235, 7395, 10965, 18705, 21199, 63597, 105995, 317985.

If you add them up, you will get the total of 318,237. Now subtract 317,985 to get 252,255


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