31192017

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:844

約数の個数: 16

約数和(自身を含む): 42282240

約数和(自身を除く): 11090223

約数列:

[1, 3, 131, 139, 393, 417, 571, 1713, 18209, 54627, 74801, 79369, 224403, 238107, 10397339, 31192017]

約数ペア:

[(1, 31192017), (3, 10397339), (131, 238107), (139, 224403), (393, 79369), (417, 74801), (571, 54627), (1713, 18209)]