27721169

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 24

約数和(自身を含む): 34305408

約数和(自身を除く): 6584239

約数列:

[1, 7, 17, 71, 119, 193, 289, 497, 1207, 1351, 2023, 3281, 8449, 13703, 20519, 22967, 55777, 95921, 143633, 232951, 390439, 1630657, 3960167, 27721169]

約数ペア:

[(1, 27721169), (7, 3960167), (17, 1630657), (71, 390439), (119, 232951), (193, 143633), (289, 95921), (497, 55777), (1207, 22967), (1351, 20519), (2023, 13703), (3281, 8449)]