55374879

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{20129}}^1$

素因数の和:20270

約数の個数: 16

約数和(自身を含む): 85029120

約数和(自身を除く): 29654241

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 20129, 60387, 140903, 422709, 2636899, 7910697, 18458293, 55374879]

約数ペア:

[(1, 55374879), (3, 18458293), (7, 7910697), (21, 2636899), (131, 422709), (393, 140903), (917, 60387), (2751, 20129)]