31997259

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4931}}^1$

素因数の和:5047

約数の個数: 24

約数和(自身を含む): 53344512

約数和(自身を除く): 21347253

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4931, 6489, 14793, 34517, 44379, 103551, 310653, 507893, 1523679, 3555251, 4571037, 10665753, 31997259]

約数ペア:

[(1, 31997259), (3, 10665753), (7, 4571037), (9, 3555251), (21, 1523679), (63, 507893), (103, 310653), (309, 103551), (721, 44379), (927, 34517), (2163, 14793), (4931, 6489)]