20530521

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{7151}}^1$

素因数の和:7197

約数の個数: 24

約数和(自身を含む): 33471360

約数和(自身を除く): 12940839

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 7151, 21453, 64359, 78661, 207379, 235983, 622137, 707949, 1866411, 2281169, 6843507, 20530521]

約数ペア:

[(1, 20530521), (3, 6843507), (9, 2281169), (11, 1866411), (29, 707949), (33, 622137), (87, 235983), (99, 207379), (261, 78661), (319, 64359), (957, 21453), (2871, 7151)]