66691443

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{244291}}^1$

素因数の和:244314

約数の個数: 16

約数和(自身を含む): 109442816

約数和(自身を除く): 42751373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 244291, 732873, 1710037, 3175783, 5130111, 9527349, 22230481, 66691443]

約数ペア:

[(1, 66691443), (3, 22230481), (7, 9527349), (13, 5130111), (21, 3175783), (39, 1710037), (91, 732873), (273, 244291)]