57279999

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{277}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 90027520

約数和(自身を除く): 32747521

約数列:

[1, 3, 7, 21, 43, 129, 229, 277, 301, 687, 831, 903, 1603, 1939, 4809, 5817, 9847, 11911, 29541, 35733, 63433, 68929, 83377, 190299, 206787, 250131, 444031, 1332093, 2727619, 8182857, 19093333, 57279999]

約数ペア:

[(1, 57279999), (3, 19093333), (7, 8182857), (21, 2727619), (43, 1332093), (129, 444031), (229, 250131), (277, 206787), (301, 190299), (687, 83377), (831, 68929), (903, 63433), (1603, 35733), (1939, 29541), (4809, 11911), (5817, 9847)]