Q: What is the sum of all factors of the number 28,456,407 excluding 28,456,407?
A: 21,256,713
The factors of the number 28,456,407 are: 1, 3, 7, 9, 21, 27, 49, 63, 137, 147, 157, 189, 411, 441, 471, 959, 1099, 1233, 1323, 1413, 2877, 3297, 3699, 4239, 6713, 7693, 8631, 9891, 20139, 21509, 23079, 25893, 29673, 60417, 64527, 69237, 150563, 181251, 193581, 207711, 451689, 580743, 1053941, 1355067, 3161823, 4065201, 9485469, 28456407.
If you add them up, you will get the total of 28,456,428. Now subtract 28,456,407 to get 21,256,713