201661509

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{12821}}^1$

素因数の和:12945

約数の個数: 24

約数和(自身を含む): 315728928

約数和(自身を除く): 114067419

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 12821, 15729, 38463, 89747, 269241, 628229, 1371847, 1884687, 4115541, 9602929, 28808787, 67220503, 201661509]

約数ペア:

[(1, 201661509), (3, 67220503), (7, 28808787), (21, 9602929), (49, 4115541), (107, 1884687), (147, 1371847), (321, 628229), (749, 269241), (2247, 89747), (5243, 38463), (12821, 15729)]