3939921

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 5947392

約数和(自身を除く): 2007471

約数列:

[1, 3, 9, 27, 81, 127, 381, 383, 1143, 1149, 3429, 3447, 10287, 10341, 31023, 48641, 145923, 437769, 1313307, 3939921]

約数ペア:

[(1, 3939921), (3, 1313307), (9, 437769), (27, 145923), (81, 48641), (127, 31023), (381, 10341), (383, 10287), (1143, 3447), (1149, 3429)]