239523201

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{397}}^1\times {\mathrm{1559}}^1$

素因数の和:2005

約数の個数: 24

約数和(自身を含む): 355143360

約数和(自身を除く): 115620159

約数列:

[1, 3, 9, 43, 129, 387, 397, 1191, 1559, 3573, 4677, 14031, 17071, 51213, 67037, 153639, 201111, 603333, 618923, 1856769, 5570307, 26613689, 79841067, 239523201]

約数ペア:

[(1, 239523201), (3, 79841067), (9, 26613689), (43, 5570307), (129, 1856769), (387, 618923), (397, 603333), (1191, 201111), (1559, 153639), (3573, 67037), (4677, 51213), (14031, 17071)]