30491559

素因数分解:

$3^4\times 7^1\times {\mathrm{53777}}^1$

素因数の和:53796

約数の個数: 20

約数和(自身を含む): 52057104

約数和(自身を除く): 21565545

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 53777, 161331, 376439, 483993, 1129317, 1451979, 3387951, 4355937, 10163853, 30491559]

約数ペア:

[(1, 30491559), (3, 10163853), (7, 4355937), (9, 3387951), (21, 1451979), (27, 1129317), (63, 483993), (81, 376439), (189, 161331), (567, 53777)]