127943487

素因数分解:

$3^2\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2939}}^1$

素因数の和:3643

約数の個数: 24

約数和(自身を含む): 211585920

約数和(自身を除く): 83642433

約数列:

[1, 3, 7, 9, 21, 63, 691, 2073, 2939, 4837, 6219, 8817, 14511, 20573, 26451, 43533, 61719, 185157, 2030849, 6092547, 14215943, 18277641, 42647829, 127943487]

約数ペア:

[(1, 127943487), (3, 42647829), (7, 18277641), (9, 14215943), (21, 6092547), (63, 2030849), (691, 185157), (2073, 61719), (2939, 43533), (4837, 26451), (6219, 20573), (8817, 14511)]