51331371

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{26861}}^1$

素因数の和:26891

約数の個数: 24

約数和(自身を含む): 85743504

約数和(自身を除く): 34412133

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 26861, 80583, 188027, 349193, 564081, 1047579, 1316189, 2444351, 3948567, 7333053, 17110457, 51331371]

約数ペア:

[(1, 51331371), (3, 17110457), (7, 7333053), (13, 3948567), (21, 2444351), (39, 1316189), (49, 1047579), (91, 564081), (147, 349193), (273, 188027), (637, 80583), (1911, 26861)]