6691217

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{137}}^1$

素因数の和:197

約数の個数: 18

約数和(自身を含む): 7752978

約数和(自身を除く): 1061761

約数列:

[1, 13, 17, 137, 169, 221, 289, 1781, 2329, 2873, 3757, 23153, 30277, 39593, 48841, 393601, 514709, 6691217]

約数ペア:

[(1, 6691217), (13, 514709), (17, 393601), (137, 48841), (169, 39593), (221, 30277), (289, 23153), (1781, 3757), (2329, 2873)]