7872705

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1277}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 13756392

約数和(自身を除く): 5883687

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 1277, 2055, 3831, 6165, 6385, 11493, 19155, 57465, 174949, 524847, 874745, 1574541, 2624235, 7872705]

約数ペア:

[(1, 7872705), (3, 2624235), (5, 1574541), (9, 874745), (15, 524847), (45, 174949), (137, 57465), (411, 19155), (685, 11493), (1233, 6385), (1277, 6165), (2055, 3831)]