51680025

素因数分解:

$3^5\times 5^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 98577024

約数和(自身を除く): 46896999

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 81, 135, 141, 181, 225, 235, 243, 405, 423, 543, 675, 705, 905, 1175, 1215, 1269, 1629, 2025, 2115, 2715, 3525, 3807, 4525, 4887, 6075, 6345, 8145, 8507, 10575, 11421, 13575, 14661, 19035, 24435, 25521, 31725, 40725, 42535, 43983, 57105, 73305, 76563, 95175, 122175, 127605, 212675, 219915, 229689, 285525, 366525, 382815, 638025, 689067, 1099575, 1148445, 1914075, 2067201, 3445335, 5742225, 10336005, 17226675, 51680025]

約数ペア:

[(1, 51680025), (3, 17226675), (5, 10336005), (9, 5742225), (15, 3445335), (25, 2067201), (27, 1914075), (45, 1148445), (47, 1099575), (75, 689067), (81, 638025), (135, 382815), (141, 366525), (181, 285525), (225, 229689), (235, 219915), (243, 212675), (405, 127605), (423, 122175), (543, 95175), (675, 76563), (705, 73305), (905, 57105), (1175, 43983), (1215, 42535), (1269, 40725), (1629, 31725), (2025, 25521), (2115, 24435), (2715, 19035), (3525, 14661), (3807, 13575), (4525, 11421), (4887, 10575), (6075, 8507), (6345, 8145)]