31289713

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18097}}^1$

素因数の和:18136

約数の個数: 16

約数和(自身を含む): 40539520

約数和(自身を除く): 9249807

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 18097, 126679, 235261, 343843, 1646827, 2406901, 4469959, 31289713]

約数ペア:

[(1, 31289713), (7, 4469959), (13, 2406901), (19, 1646827), (91, 343843), (133, 235261), (247, 126679), (1729, 18097)]