3978009

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{271}}^1$

素因数の和:517

約数の個数: 24

約数和(自身を含む): 6619392

約数和(自身を除く): 2641383

約数列:

[1, 3, 7, 9, 21, 63, 233, 271, 699, 813, 1631, 1897, 2097, 2439, 4893, 5691, 14679, 17073, 63143, 189429, 442001, 568287, 1326003, 3978009]

約数ペア:

[(1, 3978009), (3, 1326003), (7, 568287), (9, 442001), (21, 189429), (63, 63143), (233, 17073), (271, 14679), (699, 5691), (813, 4893), (1631, 2439), (1897, 2097)]