388986429

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1549}}^1$

素因数の和:1749

約数の個数: 32

約数和(自身を含む): 574963200

約数和(自身を除く): 185976771

約数列:

[1, 3, 13, 39, 47, 137, 141, 411, 611, 1549, 1781, 1833, 4647, 5343, 6439, 19317, 20137, 60411, 72803, 83707, 212213, 218409, 251121, 636639, 946439, 2758769, 2839317, 8276307, 9974011, 29922033, 129662143, 388986429]

約数ペア:

[(1, 388986429), (3, 129662143), (13, 29922033), (39, 9974011), (47, 8276307), (137, 2839317), (141, 2758769), (411, 946439), (611, 636639), (1549, 251121), (1781, 218409), (1833, 212213), (4647, 83707), (5343, 72803), (6439, 60411), (19317, 20137)]