239339961

素因数分解:

$3^3\times 7^2\times {\mathrm{180907}}^1$

素因数の和:180930

約数の個数: 24

約数和(自身を含む): 412470240

約数和(自身を除く): 173130279

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 180907, 542721, 1266349, 1628163, 3799047, 4884489, 8864443, 11397141, 26593329, 34191423, 79779987, 239339961]

約数ペア:

[(1, 239339961), (3, 79779987), (7, 34191423), (9, 26593329), (21, 11397141), (27, 8864443), (49, 4884489), (63, 3799047), (147, 1628163), (189, 1266349), (441, 542721), (1323, 180907)]