2720211

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1$

素因数の和:3706

約数の個数: 16

約数和(自身を含む): 4112640

約数和(自身を除く): 1392429

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 3671, 11013, 47723, 69749, 143169, 209247, 906737, 2720211]

約数ペア:

[(1, 2720211), (3, 906737), (13, 209247), (19, 143169), (39, 69749), (57, 47723), (247, 11013), (741, 3671)]