687678321

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{30781}}^1$

素因数の和:31472

約数の個数: 16

約数和(自身を含む): 1001769408

約数和(自身を除く): 314091087

約数列:

[1, 3, 11, 33, 677, 2031, 7447, 22341, 30781, 92343, 338591, 1015773, 20838737, 62516211, 229226107, 687678321]

約数ペア:

[(1, 687678321), (3, 229226107), (11, 62516211), (33, 20838737), (677, 1015773), (2031, 338591), (7447, 92343), (22341, 30781)]