165720109

素因数分解:

${\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{479}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 177408000

約数和(自身を除く): 11687891

約数列:

[1, 19, 131, 139, 479, 2489, 2641, 9101, 18209, 62749, 66581, 345971, 1192231, 1265039, 8722111, 165720109]

約数ペア:

[(1, 165720109), (19, 8722111), (131, 1265039), (139, 1192231), (479, 345971), (2489, 66581), (2641, 62749), (9101, 18209)]