263221713

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{3671}}^1$

素因数の和:3965

約数の個数: 24

約数和(自身を含む): 394108416

約数和(自身を除く): 130886703

約数列:

[1, 3, 9, 31, 93, 257, 279, 771, 2313, 3671, 7967, 11013, 23901, 33039, 71703, 113801, 341403, 943447, 1024209, 2830341, 8491023, 29246857, 87740571, 263221713]

約数ペア:

[(1, 263221713), (3, 87740571), (9, 29246857), (31, 8491023), (93, 2830341), (257, 1024209), (279, 943447), (771, 341403), (2313, 113801), (3671, 71703), (7967, 33039), (11013, 23901)]