27551321

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1\times {\mathrm{571}}^1$

素因数の和:752

約数の個数: 16

約数和(自身を含む): 32343168

約数和(自身を除く): 4791847

約数列:

[1, 7, 61, 113, 427, 571, 791, 3997, 6893, 34831, 48251, 64523, 243817, 451661, 3935903, 27551321]

約数ペア:

[(1, 27551321), (7, 3935903), (61, 451661), (113, 243817), (427, 64523), (571, 48251), (791, 34831), (3997, 6893)]