31189905

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{14747}}^1$

素因数の和:14805

約数の個数: 24

約数和(自身を含む): 55216512

約数和(自身を除く): 24026607

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 14747, 44241, 73735, 132723, 221205, 663615, 693109, 2079327, 3465545, 6237981, 10396635, 31189905]

約数ペア:

[(1, 31189905), (3, 10396635), (5, 6237981), (9, 3465545), (15, 2079327), (45, 693109), (47, 663615), (141, 221205), (235, 132723), (423, 73735), (705, 44241), (2115, 14747)]