231330239

素因数分解:

$7^1\times {\mathrm{43}}^2\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 276044832

約数和(自身を除く): 44714593

約数列:

[1, 7, 43, 61, 293, 301, 427, 1849, 2051, 2623, 12599, 12943, 17873, 18361, 88193, 112789, 125111, 541757, 768539, 789523, 3792299, 5379773, 33047177, 231330239]

約数ペア:

[(1, 231330239), (7, 33047177), (43, 5379773), (61, 3792299), (293, 789523), (301, 768539), (427, 541757), (1849, 125111), (2051, 112789), (2623, 88193), (12599, 18361), (12943, 17873)]