220996893

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{153151}}^1$

素因数の和:153204

約数の個数: 16

約数和(自身を含む): 325907456

約数和(自身を除く): 104910563

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 153151, 459453, 1990963, 5666587, 5972889, 16999761, 73665631, 220996893]

約数ペア:

[(1, 220996893), (3, 73665631), (13, 16999761), (37, 5972889), (39, 5666587), (111, 1990963), (481, 459453), (1443, 153151)]