247086513

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{193}}^1\times {\mathrm{2411}}^1$

素因数の和:2669

約数の個数: 24

約数和(自身を含む): 364983840

約数和(自身を除く): 117897327

約数列:

[1, 3, 9, 59, 177, 193, 531, 579, 1737, 2411, 7233, 11387, 21699, 34161, 102483, 142249, 426747, 465323, 1280241, 1395969, 4187907, 27454057, 82362171, 247086513]

約数ペア:

[(1, 247086513), (3, 82362171), (9, 27454057), (59, 4187907), (177, 1395969), (193, 1280241), (531, 465323), (579, 426747), (1737, 142249), (2411, 102483), (7233, 34161), (11387, 21699)]