1331889

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 2002752

約数和(自身を除く): 670863

約数列:

[1, 3, 13, 37, 39, 71, 111, 169, 213, 481, 507, 923, 1443, 2627, 2769, 6253, 7881, 11999, 18759, 34151, 35997, 102453, 443963, 1331889]

約数ペア:

[(1, 1331889), (3, 443963), (13, 102453), (37, 35997), (39, 34151), (71, 18759), (111, 11999), (169, 7881), (213, 6253), (481, 2769), (507, 2627), (923, 1443)]