16987365

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8779}}^1$

素因数の和:8833

約数の個数: 24

約数和(自身を含む): 30132960

約数和(自身を除く): 13145595

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 8779, 26337, 43895, 79011, 131685, 377497, 395055, 1132491, 1887485, 3397473, 5662455, 16987365]

約数ペア:

[(1, 16987365), (3, 5662455), (5, 3397473), (9, 1887485), (15, 1132491), (43, 395055), (45, 377497), (129, 131685), (215, 79011), (387, 43895), (645, 26337), (1935, 8779)]