42480081

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{9497}}^1$

素因数の和:9581

約数の個数: 24

約数和(自身を含む): 71121024

約数和(自身を除く): 28640943

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 9497, 28491, 66479, 85473, 199437, 598311, 674287, 2022861, 4720009, 6068583, 14160027, 42480081]

約数ペア:

[(1, 42480081), (3, 14160027), (7, 6068583), (9, 4720009), (21, 2022861), (63, 674287), (71, 598311), (213, 199437), (497, 85473), (639, 66479), (1491, 28491), (4473, 9497)]