31405869

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10939}}^1$

素因数の和:10985

約数の個数: 24

約数和(自身を含む): 51199200

約数和(自身を除く): 19793331

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 10939, 32817, 98451, 120329, 317231, 360987, 951693, 1082961, 2855079, 3489541, 10468623, 31405869]

約数ペア:

[(1, 31405869), (3, 10468623), (9, 3489541), (11, 2855079), (29, 1082961), (33, 951693), (87, 360987), (99, 317231), (261, 120329), (319, 98451), (957, 32817), (2871, 10939)]