7438221

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3191}}^1$

素因数の和:3241

約数の個数: 24

約数和(自身を含む): 12614784

約数和(自身を除く): 5176563

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 3191, 9573, 22337, 28719, 67011, 118067, 201033, 354201, 826469, 1062603, 2479407, 7438221]

約数ペア:

[(1, 7438221), (3, 2479407), (7, 1062603), (9, 826469), (21, 354201), (37, 201033), (63, 118067), (111, 67011), (259, 28719), (333, 22337), (777, 9573), (2331, 3191)]