28426293

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{15559}}^1$

素因数の和:15601

約数の個数: 24

約数和(自身を含む): 48547200

約数和(自身を除く): 20120907

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 15559, 46677, 108913, 140031, 326739, 451211, 980217, 1353633, 3158477, 4060899, 9475431, 28426293]

約数ペア:

[(1, 28426293), (3, 9475431), (7, 4060899), (9, 3158477), (21, 1353633), (29, 980217), (63, 451211), (87, 326739), (203, 140031), (261, 108913), (609, 46677), (1827, 15559)]