201920211

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{5563}}^1$

素因数の和:5715

約数の個数: 24

約数和(自身を含む): 302347760

約数和(自身を除く): 100427549

約数列:

[1, 3, 9, 37, 109, 111, 327, 333, 981, 4033, 5563, 12099, 16689, 36297, 50067, 205831, 606367, 617493, 1819101, 1852479, 5457303, 22435579, 67306737, 201920211]

約数ペア:

[(1, 201920211), (3, 67306737), (9, 22435579), (37, 5457303), (109, 1852479), (111, 1819101), (327, 617493), (333, 606367), (981, 205831), (4033, 50067), (5563, 36297), (12099, 16689)]