77889825

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:919

約数の個数: 72

約数和(自身を含む): 155267840

約数和(自身を除く): 77378015

約数列:

[1, 3, 5, 9, 13, 15, 25, 31, 39, 45, 65, 75, 93, 117, 155, 195, 225, 279, 325, 403, 465, 585, 775, 859, 975, 1209, 1395, 2015, 2325, 2577, 2925, 3627, 4295, 6045, 6975, 7731, 10075, 11167, 12885, 18135, 21475, 26629, 30225, 33501, 38655, 55835, 64425, 79887, 90675, 100503, 133145, 167505, 193275, 239661, 279175, 346177, 399435, 502515, 665725, 837525, 1038531, 1198305, 1730885, 1997175, 2512575, 3115593, 5192655, 5991525, 8654425, 15577965, 25963275, 77889825]

約数ペア:

[(1, 77889825), (3, 25963275), (5, 15577965), (9, 8654425), (13, 5991525), (15, 5192655), (25, 3115593), (31, 2512575), (39, 1997175), (45, 1730885), (65, 1198305), (75, 1038531), (93, 837525), (117, 665725), (155, 502515), (195, 399435), (225, 346177), (279, 279175), (325, 239661), (403, 193275), (465, 167505), (585, 133145), (775, 100503), (859, 90675), (975, 79887), (1209, 64425), (1395, 55835), (2015, 38655), (2325, 33501), (2577, 30225), (2925, 26629), (3627, 21475), (4295, 18135), (6045, 12885), (6975, 11167), (7731, 10075)]