291236231

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10891}}^1$

素因数の和:10943

約数の個数: 24

約数和(自身を含む): 365056272

約数和(自身を除く): 73820041

約数列:

[1, 11, 13, 17, 121, 143, 187, 221, 1573, 2057, 2431, 10891, 26741, 119801, 141583, 185147, 1317811, 1557413, 2036617, 2406911, 17131543, 22402787, 26476021, 291236231]

約数ペア:

[(1, 291236231), (11, 26476021), (13, 22402787), (17, 17131543), (121, 2406911), (143, 2036617), (187, 1557413), (221, 1317811), (1573, 185147), (2057, 141583), (2431, 119801), (10891, 26741)]