66921405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2137

約数の個数: 32

約数和(自身を含む): 112140288

約数和(自身を除く): 45218883

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 2027, 2201, 6081, 6603, 10135, 11005, 30405, 33015, 62837, 143917, 188511, 314185, 431751, 719585, 942555, 2158755, 4461427, 13384281, 22307135, 66921405]

約数ペア:

[(1, 66921405), (3, 22307135), (5, 13384281), (15, 4461427), (31, 2158755), (71, 942555), (93, 719585), (155, 431751), (213, 314185), (355, 188511), (465, 143917), (1065, 62837), (2027, 33015), (2201, 30405), (6081, 11005), (6603, 10135)]