30639357

素因数分解:

$3^3\times 7^2\times {\mathrm{23159}}^1$

素因数の和:23182

約数の個数: 24

約数和(自身を含む): 52804800

約数和(自身を除く): 22165443

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 23159, 69477, 162113, 208431, 486339, 625293, 1134791, 1459017, 3404373, 4377051, 10213119, 30639357]

約数ペア:

[(1, 30639357), (3, 10213119), (7, 4377051), (9, 3404373), (21, 1459017), (27, 1134791), (49, 625293), (63, 486339), (147, 208431), (189, 162113), (441, 69477), (1323, 23159)]