204921801

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{112163}}^1$

素因数の和:112205

約数の個数: 24

約数和(自身を含む): 349951680

約数和(自身を除く): 145029879

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 112163, 336489, 785141, 1009467, 2355423, 3252727, 7066269, 9758181, 22769089, 29274543, 68307267, 204921801]

約数ペア:

[(1, 204921801), (3, 68307267), (7, 29274543), (9, 22769089), (21, 9758181), (29, 7066269), (63, 3252727), (87, 2355423), (203, 1009467), (261, 785141), (609, 336489), (1827, 112163)]