157213947

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{2011}}^1$

素因数の和:2151

約数の個数: 32

約数和(自身を含む): 241053696

約数和(自身を除く): 83839749

約数列:

[1, 3, 11, 23, 33, 69, 103, 253, 309, 759, 1133, 2011, 2369, 3399, 6033, 7107, 22121, 26059, 46253, 66363, 78177, 138759, 207133, 508783, 621399, 1526349, 2278463, 4764059, 6835389, 14292177, 52404649, 157213947]

約数ペア:

[(1, 157213947), (3, 52404649), (11, 14292177), (23, 6835389), (33, 4764059), (69, 2278463), (103, 1526349), (253, 621399), (309, 508783), (759, 207133), (1133, 138759), (2011, 78177), (2369, 66363), (3399, 46253), (6033, 26059), (7107, 22121)]