Q: What is the sum of all factors of the number 4,012,155 excluding 4,012,155?

A: 4,134,789

Why is 4,134,789 the sum of all factors of 4,012,155, excluding 4,012,155?

The factors of the number 4,012,155 are: 1, 3, 5, 7, 9, 15, 21, 35, 45, 47, 63, 105, 141, 235, 271, 315, 329, 423, 705, 813, 987, 1355, 1645, 1897, 2115, 2439, 2961, 4065, 4935, 5691, 9485, 12195, 12737, 14805, 17073, 28455, 38211, 63685, 85365, 89159, 114633, 191055, 267477, 445795, 573165, 802431, 1337385, 4012155.

If you add them up, you will get the total of 4,012,159. Now subtract 4,012,155 to get 4,134,789