61563375

素因数分解:

$3^3\times 5^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:107

約数の個数: 128

約数和(自身を含む): 128044800

約数和(自身を除く): 66481425

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 29, 37, 45, 51, 75, 85, 87, 111, 125, 135, 145, 153, 185, 225, 255, 261, 333, 375, 425, 435, 459, 493, 555, 629, 675, 725, 765, 783, 925, 999, 1073, 1125, 1275, 1305, 1479, 1665, 1887, 2125, 2175, 2295, 2465, 2775, 3145, 3219, 3375, 3625, 3825, 3915, 4437, 4625, 4995, 5365, 5661, 6375, 6525, 7395, 8325, 9435, 9657, 10875, 11475, 12325, 13311, 13875, 15725, 16095, 16983, 18241, 19125, 19575, 22185, 24975, 26825, 28305, 28971, 32625, 36975, 41625, 47175, 48285, 54723, 57375, 61625, 66555, 78625, 80475, 84915, 91205, 97875, 110925, 124875, 134125, 141525, 144855, 164169, 184875, 235875, 241425, 273615, 332775, 402375, 424575, 456025, 492507, 554625, 707625, 724275, 820845, 1207125, 1368075, 1663875, 2122875, 2280125, 2462535, 3621375, 4104225, 6840375, 12312675, 20521125, 61563375]

約数ペア:

[(1, 61563375), (3, 20521125), (5, 12312675), (9, 6840375), (15, 4104225), (17, 3621375), (25, 2462535), (27, 2280125), (29, 2122875), (37, 1663875), (45, 1368075), (51, 1207125), (75, 820845), (85, 724275), (87, 707625), (111, 554625), (125, 492507), (135, 456025), (145, 424575), (153, 402375), (185, 332775), (225, 273615), (255, 241425), (261, 235875), (333, 184875), (375, 164169), (425, 144855), (435, 141525), (459, 134125), (493, 124875), (555, 110925), (629, 97875), (675, 91205), (725, 84915), (765, 80475), (783, 78625), (925, 66555), (999, 61625), (1073, 57375), (1125, 54723), (1275, 48285), (1305, 47175), (1479, 41625), (1665, 36975), (1887, 32625), (2125, 28971), (2175, 28305), (2295, 26825), (2465, 24975), (2775, 22185), (3145, 19575), (3219, 19125), (3375, 18241), (3625, 16983), (3825, 16095), (3915, 15725), (4437, 13875), (4625, 13311), (4995, 12325), (5365, 11475), (5661, 10875), (6375, 9657), (6525, 9435), (7395, 8325)]