2217891

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:135

約数の個数: 32

約数和(自身を含む): 3447360

約数和(自身を除く): 1229469

約数列:

[1, 3, 13, 29, 37, 39, 53, 87, 111, 159, 377, 481, 689, 1073, 1131, 1443, 1537, 1961, 2067, 3219, 4611, 5883, 13949, 19981, 25493, 41847, 56869, 59943, 76479, 170607, 739297, 2217891]

約数ペア:

[(1, 2217891), (3, 739297), (13, 170607), (29, 76479), (37, 59943), (39, 56869), (53, 41847), (87, 25493), (111, 19981), (159, 13949), (377, 5883), (481, 4611), (689, 3219), (1073, 2067), (1131, 1961), (1443, 1537)]