18221769

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{271}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 27382784

約数和(自身を除く): 9161015

約数列:

[1, 3, 9, 31, 93, 241, 271, 279, 723, 813, 2169, 2439, 7471, 8401, 22413, 25203, 65311, 67239, 75609, 195933, 587799, 2024641, 6073923, 18221769]

約数ペア:

[(1, 18221769), (3, 6073923), (9, 2024641), (31, 587799), (93, 195933), (241, 75609), (271, 67239), (279, 65311), (723, 25203), (813, 22413), (2169, 8401), (2439, 7471)]