215290411

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{883}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 250801408

約数和(自身を除く): 35510997

約数列:

[1, 7, 61, 427, 571, 883, 3997, 6181, 34831, 53863, 243817, 377041, 504193, 3529351, 30755773, 215290411]

約数ペア:

[(1, 215290411), (7, 30755773), (61, 3529351), (427, 504193), (571, 377041), (883, 243817), (3997, 53863), (6181, 34831)]