7887945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2129}}^1$

素因数の和:2169

約数の個数: 32

約数和(自身を含む): 14313600

約数和(自身を除く): 6425655

約数列:

[1, 3, 5, 13, 15, 19, 39, 57, 65, 95, 195, 247, 285, 741, 1235, 2129, 3705, 6387, 10645, 27677, 31935, 40451, 83031, 121353, 138385, 202255, 415155, 525863, 606765, 1577589, 2629315, 7887945]

約数ペア:

[(1, 7887945), (3, 2629315), (5, 1577589), (13, 606765), (15, 525863), (19, 415155), (39, 202255), (57, 138385), (65, 121353), (95, 83031), (195, 40451), (247, 31935), (285, 27677), (741, 10645), (1235, 6387), (2129, 3705)]