64496775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2857}}^1$

素因数の和:2920

約数の個数: 48

約数和(自身を含む): 124745984

約数和(自身を除く): 60249209

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 43, 75, 105, 129, 175, 215, 301, 525, 645, 903, 1075, 1505, 2857, 3225, 4515, 7525, 8571, 14285, 19999, 22575, 42855, 59997, 71425, 99995, 122851, 214275, 299985, 368553, 499975, 614255, 859957, 1499925, 1842765, 2579871, 3071275, 4299785, 9213825, 12899355, 21498925, 64496775]

約数ペア:

[(1, 64496775), (3, 21498925), (5, 12899355), (7, 9213825), (15, 4299785), (21, 3071275), (25, 2579871), (35, 1842765), (43, 1499925), (75, 859957), (105, 614255), (129, 499975), (175, 368553), (215, 299985), (301, 214275), (525, 122851), (645, 99995), (903, 71425), (1075, 59997), (1505, 42855), (2857, 22575), (3225, 19999), (4515, 14285), (7525, 8571)]