2681567289

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{238171}}^1$

素因数の和:238322

約数の個数: 20

約数和(自身を含む): 4034633680

約数和(自身を除く): 1353066391

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3753, 11259, 238171, 714513, 2143539, 6430617, 19291851, 33105769, 99317307, 297951921, 893855763, 2681567289]

約数ペア:

[(1, 2681567289), (3, 893855763), (9, 297951921), (27, 99317307), (81, 33105769), (139, 19291851), (417, 6430617), (1251, 2143539), (3753, 714513), (11259, 238171)]