311085313

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 395350272

約数和(自身を除く): 84264959

約数列:

[1, 7, 11, 77, 121, 173, 193, 847, 1211, 1331, 1351, 1903, 2123, 9317, 13321, 14861, 20933, 23353, 33389, 146531, 163471, 230263, 233723, 256883, 367279, 1611841, 1798181, 2570953, 4040069, 28280483, 44440759, 311085313]

約数ペア:

[(1, 311085313), (7, 44440759), (11, 28280483), (77, 4040069), (121, 2570953), (173, 1798181), (193, 1611841), (847, 367279), (1211, 256883), (1331, 233723), (1351, 230263), (1903, 163471), (2123, 146531), (9317, 33389), (13321, 23353), (14861, 20933)]