2761213

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1597}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 3579520

約数和(自身を除く): 818307

約数列:

[1, 7, 13, 19, 91, 133, 247, 1597, 1729, 11179, 20761, 30343, 145327, 212401, 394459, 2761213]

約数ペア:

[(1, 2761213), (7, 394459), (13, 212401), (19, 145327), (91, 30343), (133, 20761), (247, 11179), (1597, 1729)]