31907215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{12109}}^1$

素因数の和:12162

約数の個数: 16

約数和(自身を含む): 41852160

約数和(自身を除く): 9944945

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 12109, 60545, 205853, 375379, 1029265, 1876895, 6381443, 31907215]

約数ペア:

[(1, 31907215), (5, 6381443), (17, 1876895), (31, 1029265), (85, 375379), (155, 205853), (527, 60545), (2635, 12109)]