27584991

素因数分解:

$3^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 47056464

約数和(自身を除く): 19471473

約数列:

[1, 3, 7, 9, 21, 49, 63, 71, 147, 213, 441, 497, 639, 881, 1491, 2643, 3479, 4473, 6167, 7929, 10437, 18501, 31311, 43169, 55503, 62551, 129507, 187653, 388521, 437857, 562959, 1313571, 3064999, 3940713, 9194997, 27584991]

約数ペア:

[(1, 27584991), (3, 9194997), (7, 3940713), (9, 3064999), (21, 1313571), (49, 562959), (63, 437857), (71, 388521), (147, 187653), (213, 129507), (441, 62551), (497, 55503), (639, 43169), (881, 31311), (1491, 18501), (2643, 10437), (3479, 7929), (4473, 6167)]