254605323

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{16187}}^1$

素因数の和:16311

約数の個数: 24

約数和(自身を含む): 398613312

約数和(自身を除く): 144007989

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729, 16187, 48561, 113309, 339927, 793163, 1732009, 2379489, 5196027, 12124063, 36372189, 84868441, 254605323]

約数ペア:

[(1, 254605323), (3, 84868441), (7, 36372189), (21, 12124063), (49, 5196027), (107, 2379489), (147, 1732009), (321, 793163), (749, 339927), (2247, 113309), (5243, 48561), (15729, 16187)]