27289913

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{181}}^2$

素因数の和:393

約数の個数: 18

約数和(自身を含む): 33799518

約数和(自身を除く): 6509605

約数列:

[1, 7, 17, 49, 119, 181, 833, 1267, 3077, 8869, 21539, 32761, 150773, 229327, 556937, 1605289, 3898559, 27289913]

約数ペア:

[(1, 27289913), (7, 3898559), (17, 1605289), (49, 556937), (119, 229327), (181, 150773), (833, 32761), (1267, 21539), (3077, 8869)]