39987807

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{1297}}^1$

素因数の和:1582

約数の個数: 16

約数和(自身を含む): 54827520

約数和(自身を除く): 14839713

約数列:

[1, 3, 43, 129, 239, 717, 1297, 3891, 10277, 30831, 55771, 167313, 309983, 929949, 13329269, 39987807]

約数ペア:

[(1, 39987807), (3, 13329269), (43, 929949), (129, 309983), (239, 167313), (717, 55771), (1297, 30831), (3891, 10277)]