64946715

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{5419}}^1$

素因数の和:5491

約数の個数: 32

約数和(自身を含む): 112389120

約数和(自身を除く): 47442405

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 2397, 3995, 5419, 11985, 16257, 27095, 81285, 92123, 254693, 276369, 460615, 764079, 1273465, 1381845, 3820395, 4329781, 12989343, 21648905, 64946715]

約数ペア:

[(1, 64946715), (3, 21648905), (5, 12989343), (15, 4329781), (17, 3820395), (47, 1381845), (51, 1273465), (85, 764079), (141, 460615), (235, 276369), (255, 254693), (705, 92123), (799, 81285), (2397, 27095), (3995, 16257), (5419, 11985)]