2820727

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{223}}^1$

素因数の和:382

約数の個数: 16

約数和(自身を含む): 3512320

約数和(自身を除く): 691593

約数列:

[1, 7, 13, 91, 139, 223, 973, 1561, 1807, 2899, 12649, 20293, 30997, 216979, 402961, 2820727]

約数ペア:

[(1, 2820727), (7, 402961), (13, 216979), (91, 30997), (139, 20293), (223, 12649), (973, 2899), (1561, 1807)]