213919109

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{10091}}^1$

素因数の和:10180

約数の個数: 16

約数和(自身を含む): 239785920

約数和(自身を除く): 25866811

約数列:

[1, 17, 29, 43, 493, 731, 1247, 10091, 21199, 171547, 292639, 433913, 4974863, 7376521, 12583477, 213919109]

約数ペア:

[(1, 213919109), (17, 12583477), (29, 7376521), (43, 4974863), (493, 433913), (731, 292639), (1247, 171547), (10091, 21199)]