12215259

素因数分解:

$3^3\times 7^3\times {\mathrm{1319}}^1$

素因数の和:1349

約数の個数: 32

約数和(自身を含む): 21120000

約数和(自身を除く): 8904741

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 343, 441, 1029, 1319, 1323, 3087, 3957, 9233, 9261, 11871, 27699, 35613, 64631, 83097, 193893, 249291, 452417, 581679, 1357251, 1745037, 4071753, 12215259]

約数ペア:

[(1, 12215259), (3, 4071753), (7, 1745037), (9, 1357251), (21, 581679), (27, 452417), (49, 249291), (63, 193893), (147, 83097), (189, 64631), (343, 35613), (441, 27699), (1029, 11871), (1319, 9261), (1323, 9233), (3087, 3957)]