2557199727

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{517547}}^1$

素因数の和:517620

約数の個数: 20

約数和(自身を含む): 3882645096

約数和(自身を除く): 1325445369

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 517547, 1552641, 4657923, 13973769, 31570367, 41921307, 94711101, 284133303, 852399909, 2557199727]

約数ペア:

[(1, 2557199727), (3, 852399909), (9, 284133303), (27, 94711101), (61, 41921307), (81, 31570367), (183, 13973769), (549, 4657923), (1647, 1552641), (4941, 517547)]