15804439

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{439}}^1$

素因数の和:622

約数の個数: 16

約数和(自身を含む): 18726400

約数和(自身を除く): 2921961

約数列:

[1, 7, 37, 139, 259, 439, 973, 3073, 5143, 16243, 36001, 61021, 113701, 427147, 2257777, 15804439]

約数ペア:

[(1, 15804439), (7, 2257777), (37, 427147), (139, 113701), (259, 61021), (439, 36001), (973, 16243), (3073, 5143)]