128565525

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 241706752

約数和(自身を除く): 113141227

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 121, 155, 165, 275, 341, 363, 457, 465, 605, 775, 825, 1023, 1371, 1705, 1815, 2285, 2325, 3025, 3751, 5027, 5115, 6855, 8525, 9075, 11253, 11425, 14167, 15081, 18755, 25135, 25575, 34275, 42501, 55297, 56265, 70835, 75405, 93775, 125675, 155837, 165891, 212505, 276485, 281325, 354175, 377025, 467511, 779185, 829455, 1062525, 1382425, 1714207, 2337555, 3895925, 4147275, 5142621, 8571035, 11687775, 25713105, 42855175, 128565525]

約数ペア:

[(1, 128565525), (3, 42855175), (5, 25713105), (11, 11687775), (15, 8571035), (25, 5142621), (31, 4147275), (33, 3895925), (55, 2337555), (75, 1714207), (93, 1382425), (121, 1062525), (155, 829455), (165, 779185), (275, 467511), (341, 377025), (363, 354175), (457, 281325), (465, 276485), (605, 212505), (775, 165891), (825, 155837), (1023, 125675), (1371, 93775), (1705, 75405), (1815, 70835), (2285, 56265), (2325, 55297), (3025, 42501), (3751, 34275), (5027, 25575), (5115, 25135), (6855, 18755), (8525, 15081), (9075, 14167), (11253, 11425)]