1271871999

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{1381}}^1\times {\mathrm{3301}}^1$

素因数の和:4719

約数の個数: 24

約数和(自身を含む): 1898359424

約数和(自身を除く): 626487425

約数列:

[1, 3, 9, 31, 93, 279, 1381, 3301, 4143, 9903, 12429, 29709, 42811, 102331, 128433, 306993, 385299, 920979, 4558681, 13676043, 41028129, 141319111, 423957333, 1271871999]

約数ペア:

[(1, 1271871999), (3, 423957333), (9, 141319111), (31, 41028129), (93, 13676043), (279, 4558681), (1381, 920979), (3301, 385299), (4143, 306993), (9903, 128433), (12429, 102331), (29709, 42811)]