251968905

素因数分解:

$3^2\times 5^1\times {\mathrm{1801}}^1\times {\mathrm{3109}}^1$

素因数の和:4921

約数の個数: 24

約数和(自身を含む): 437129160

約数和(自身を除く): 185160255

約数列:

[1, 3, 5, 9, 15, 45, 1801, 3109, 5403, 9005, 9327, 15545, 16209, 27015, 27981, 46635, 81045, 139905, 5599309, 16797927, 27996545, 50393781, 83989635, 251968905]

約数ペア:

[(1, 251968905), (3, 83989635), (5, 50393781), (9, 27996545), (15, 16797927), (45, 5599309), (1801, 139905), (3109, 81045), (5403, 46635), (9005, 27981), (9327, 27015), (15545, 16209)]