31081017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2609}}^1$

素因数の和:2661

約数の個数: 24

約数和(自身を含む): 47731680

約数和(自身を除く): 16650663

約数列:

[1, 3, 11, 19, 33, 57, 209, 361, 627, 1083, 2609, 3971, 7827, 11913, 28699, 49571, 86097, 148713, 545281, 941849, 1635843, 2825547, 10360339, 31081017]

約数ペア:

[(1, 31081017), (3, 10360339), (11, 2825547), (19, 1635843), (33, 941849), (57, 545281), (209, 148713), (361, 86097), (627, 49571), (1083, 28699), (2609, 11913), (3971, 7827)]