231931271

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{85363}}^1$

素因数の和:85406

約数の個数: 16

約数和(自身を含む): 286823040

約数和(自身を除く): 54891769

約数列:

[1, 11, 13, 19, 143, 209, 247, 2717, 85363, 938993, 1109719, 1621897, 12206909, 17840867, 21084661, 231931271]

約数ペア:

[(1, 231931271), (11, 21084661), (13, 17840867), (19, 12206909), (143, 1621897), (209, 1109719), (247, 938993), (2717, 85363)]