2561728941

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{3221}}^1\times {\mathrm{4651}}^1$

素因数の和:7897

約数の個数: 24

約数和(自身を含む): 3897073440

約数和(自身を除く): 1335344499

約数列:

[1, 3, 9, 19, 57, 171, 3221, 4651, 9663, 13953, 28989, 41859, 61199, 88369, 183597, 265107, 550791, 795321, 14980871, 44942613, 134827839, 284636549, 853909647, 2561728941]

約数ペア:

[(1, 2561728941), (3, 853909647), (9, 284636549), (19, 134827839), (57, 44942613), (171, 14980871), (3221, 795321), (4651, 550791), (9663, 265107), (13953, 183597), (28989, 88369), (41859, 61199)]