208906131

素因数分解:

$3^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{23081}}^1$

素因数の和:23522

約数の個数: 16

約数和(自身を含む): 319085568

約数和(自身を除く): 110179437

約数列:

[1, 3, 7, 21, 431, 1293, 3017, 9051, 23081, 69243, 161567, 484701, 9947911, 29843733, 69635377, 208906131]

約数ペア:

[(1, 208906131), (3, 69635377), (7, 29843733), (21, 9947911), (431, 484701), (1293, 161567), (3017, 69243), (9051, 23081)]