31389831

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{1013}}^1$

素因数の和:1343

約数の個数: 24

約数和(自身を含む): 49669776

約数和(自身を除く): 18279945

約数列:

[1, 3, 9, 11, 33, 99, 313, 939, 1013, 2817, 3039, 3443, 9117, 10329, 11143, 30987, 33429, 100287, 317069, 951207, 2853621, 3487759, 10463277, 31389831]

約数ペア:

[(1, 31389831), (3, 10463277), (9, 3487759), (11, 2853621), (33, 951207), (99, 317069), (313, 100287), (939, 33429), (1013, 30987), (2817, 11143), (3039, 10329), (3443, 9117)]