13190457

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{1471}}^1$

素因数の和:1549

約数の個数: 24

約数和(自身を含む): 20808192

約数和(自身を除く): 7617735

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 427, 1281, 1471, 2989, 4413, 8967, 10297, 30891, 72079, 89731, 216237, 269193, 628117, 1884351, 4396819, 13190457]

約数ペア:

[(1, 13190457), (3, 4396819), (7, 1884351), (21, 628117), (49, 269193), (61, 216237), (147, 89731), (183, 72079), (427, 30891), (1281, 10297), (1471, 8967), (2989, 4413)]