31900023

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 48688640

約数和(自身を除く): 16788617

約数列:

[1, 3, 9, 31, 43, 93, 129, 279, 387, 1333, 2659, 3999, 7977, 11997, 23931, 82429, 114337, 247287, 343011, 741861, 1029033, 3544447, 10633341, 31900023]

約数ペア:

[(1, 31900023), (3, 10633341), (9, 3544447), (31, 1029033), (43, 741861), (93, 343011), (129, 247287), (279, 114337), (387, 82429), (1333, 23931), (2659, 11997), (3999, 7977)]