3978429

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 48

約数和(自身を含む): 7027200

約数和(自身を除く): 3048771

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 59, 91, 133, 169, 177, 247, 273, 399, 413, 507, 741, 767, 1121, 1183, 1239, 1729, 2301, 3211, 3363, 3549, 5187, 5369, 7847, 9633, 9971, 14573, 16107, 22477, 23541, 29913, 43719, 67431, 69797, 102011, 189449, 209391, 306033, 568347, 1326143, 3978429]

約数ペア:

[(1, 3978429), (3, 1326143), (7, 568347), (13, 306033), (19, 209391), (21, 189449), (39, 102011), (57, 69797), (59, 67431), (91, 43719), (133, 29913), (169, 23541), (177, 22477), (247, 16107), (273, 14573), (399, 9971), (413, 9633), (507, 7847), (741, 5369), (767, 5187), (1121, 3549), (1183, 3363), (1239, 3211), (1729, 2301)]