31757921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:233

約数の個数: 24

約数和(自身を含む): 37134720

約数和(自身を除く): 5376799

約数列:

[1, 13, 17, 79, 107, 221, 289, 1027, 1343, 1391, 1819, 3757, 8453, 17459, 22831, 23647, 30923, 109889, 143701, 296803, 401999, 1868113, 2442917, 31757921]

約数ペア:

[(1, 31757921), (13, 2442917), (17, 1868113), (79, 401999), (107, 296803), (221, 143701), (289, 109889), (1027, 30923), (1343, 23647), (1391, 22831), (1819, 17459), (3757, 8453)]