338440893

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{21517}}^1$

素因数の和:21641

約数の個数: 24

約数和(自身を含む): 529859232

約数和(自身を除く): 191418339

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 21517, 64551, 150619, 451857, 1054333, 2302319, 3162999, 6906957, 16116233, 48348699, 112813631, 338440893]

約数ペア:

[(1, 338440893), (3, 112813631), (7, 48348699), (21, 16116233), (49, 6906957), (107, 3162999), (147, 2302319), (321, 1054333), (749, 451857), (2247, 150619), (5243, 64551), (15729, 21517)]