51891525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{701}}^1$

素因数の和:771

約数の個数: 72

約数和(自身を含む): 108635904

約数和(自身を除く): 56744379

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 47, 63, 75, 105, 141, 175, 225, 235, 315, 329, 423, 525, 701, 705, 987, 1175, 1575, 1645, 2103, 2115, 2961, 3505, 3525, 4907, 4935, 6309, 8225, 10515, 10575, 14721, 14805, 17525, 24535, 24675, 31545, 32947, 44163, 52575, 73605, 74025, 98841, 122675, 157725, 164735, 220815, 230629, 296523, 368025, 494205, 691887, 823675, 1104075, 1153145, 1482615, 2075661, 2471025, 3459435, 5765725, 7413075, 10378305, 17297175, 51891525]

約数ペア:

[(1, 51891525), (3, 17297175), (5, 10378305), (7, 7413075), (9, 5765725), (15, 3459435), (21, 2471025), (25, 2075661), (35, 1482615), (45, 1153145), (47, 1104075), (63, 823675), (75, 691887), (105, 494205), (141, 368025), (175, 296523), (225, 230629), (235, 220815), (315, 164735), (329, 157725), (423, 122675), (525, 98841), (701, 74025), (705, 73605), (987, 52575), (1175, 44163), (1575, 32947), (1645, 31545), (2103, 24675), (2115, 24535), (2961, 17525), (3505, 14805), (3525, 14721), (4907, 10575), (4935, 10515), (6309, 8225)]