68381649

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{18397}}^1$

素因数の和:18469

約数の個数: 24

約数和(自身を含む): 114803520

約数和(自身を除く): 46421871

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 18397, 55191, 128779, 165573, 386337, 1085423, 1159011, 3256269, 7597961, 9768807, 22793883, 68381649]

約数ペア:

[(1, 68381649), (3, 22793883), (7, 9768807), (9, 7597961), (21, 3256269), (59, 1159011), (63, 1085423), (177, 386337), (413, 165573), (531, 128779), (1239, 55191), (3717, 18397)]