77440725

素因数分解:

$3^3\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2441}}^1$

素因数の和:2507

約数の個数: 48

約数和(自身を含む): 145347840

約数和(自身を除く): 67907115

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 47, 75, 135, 141, 225, 235, 423, 675, 705, 1175, 1269, 2115, 2441, 3525, 6345, 7323, 10575, 12205, 21969, 31725, 36615, 61025, 65907, 109845, 114727, 183075, 329535, 344181, 549225, 573635, 1032543, 1647675, 1720905, 2868175, 3097629, 5162715, 8604525, 15488145, 25813575, 77440725]

約数ペア:

[(1, 77440725), (3, 25813575), (5, 15488145), (9, 8604525), (15, 5162715), (25, 3097629), (27, 2868175), (45, 1720905), (47, 1647675), (75, 1032543), (135, 573635), (141, 549225), (225, 344181), (235, 329535), (423, 183075), (675, 114727), (705, 109845), (1175, 65907), (1269, 61025), (2115, 36615), (2441, 31725), (3525, 21969), (6345, 12205), (7323, 10575)]