289180719

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{249079}}^1$

素因数の和:249131

約数の個数: 16

約数和(自身を含む): 438380800

約数和(自身を除く): 149200081

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 249079, 747237, 2241711, 6725133, 10710397, 32131191, 96393573, 289180719]

約数ペア:

[(1, 289180719), (3, 96393573), (9, 32131191), (27, 10710397), (43, 6725133), (129, 2241711), (387, 747237), (1161, 249079)]