128188875

素因数分解:

$3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{11027}}^1$

素因数の和:11076

約数の個数: 32

約数和(自身を含む): 220207104

約数和(自身を除く): 92018229

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 125, 155, 375, 465, 775, 2325, 3875, 11027, 11625, 33081, 55135, 165405, 275675, 341837, 827025, 1025511, 1378375, 1709185, 4135125, 5127555, 8545925, 25637775, 42729625, 128188875]

約数ペア:

[(1, 128188875), (3, 42729625), (5, 25637775), (15, 8545925), (25, 5127555), (31, 4135125), (75, 1709185), (93, 1378375), (125, 1025511), (155, 827025), (375, 341837), (465, 275675), (775, 165405), (2325, 55135), (3875, 33081), (11027, 11625)]