31189491

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 46702656

約数和(自身を除く): 15513165

約数列:

[1, 3, 9, 43, 83, 129, 249, 387, 747, 971, 2913, 3569, 8739, 10707, 32121, 41753, 80593, 125259, 241779, 375777, 725337, 3465499, 10396497, 31189491]

約数ペア:

[(1, 31189491), (3, 10396497), (9, 3465499), (43, 725337), (83, 375777), (129, 241779), (249, 125259), (387, 80593), (747, 41753), (971, 32121), (2913, 10707), (3569, 8739)]