Q: What is the sum of all factors of the number 42,123,123 excluding 42,123,123?
A: 29,913,933
The factors of the number 42,123,123 are: 1, 3, 7, 9, 21, 61, 63, 97, 113, 183, 291, 339, 427, 549, 679, 791, 873, 1017, 1281, 2037, 2373, 3843, 5917, 6111, 6893, 7119, 10961, 17751, 20679, 32883, 41419, 48251, 53253, 62037, 76727, 98649, 124257, 144753, 230181, 372771, 434259, 668621, 690543, 2005863, 4680347, 6017589, 14041041, 42123123.
If you add them up, you will get the total of 42,123,152. Now subtract 42,123,123 to get 29,913,933