64321335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2624

約数の個数: 48

約数和(自身を含む): 122906784

約数和(自身を除く): 58585449

約数列:

[1, 3, 5, 9, 13, 15, 39, 43, 45, 65, 117, 129, 195, 215, 387, 559, 585, 645, 1677, 1935, 2557, 2795, 5031, 7671, 8385, 12785, 23013, 25155, 33241, 38355, 99723, 109951, 115065, 166205, 299169, 329853, 498615, 549755, 989559, 1429363, 1495845, 1649265, 4288089, 4947795, 7146815, 12864267, 21440445, 64321335]

約数ペア:

[(1, 64321335), (3, 21440445), (5, 12864267), (9, 7146815), (13, 4947795), (15, 4288089), (39, 1649265), (43, 1495845), (45, 1429363), (65, 989559), (117, 549755), (129, 498615), (195, 329853), (215, 299169), (387, 166205), (559, 115065), (585, 109951), (645, 99723), (1677, 38355), (1935, 33241), (2557, 25155), (2795, 23013), (5031, 12785), (7671, 8385)]