390468405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{11827}}^1$

素因数の和:11937

約数の個数: 32

約数和(自身を含む): 654041088

約数和(自身を除く): 263572683

約数列:

[1, 3, 5, 15, 31, 71, 93, 155, 213, 355, 465, 1065, 2201, 6603, 11005, 11827, 33015, 35481, 59135, 177405, 366637, 839717, 1099911, 1833185, 2519151, 4198585, 5499555, 12595755, 26031227, 78093681, 130156135, 390468405]

約数ペア:

[(1, 390468405), (3, 130156135), (5, 78093681), (15, 26031227), (31, 12595755), (71, 5499555), (93, 4198585), (155, 2519151), (213, 1833185), (355, 1099911), (465, 839717), (1065, 366637), (2201, 177405), (6603, 59135), (11005, 35481), (11827, 33015)]