28356561

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20593}}^1$

素因数の和:20622

約数の個数: 20

約数和(自身を含む): 44853732

約数和(自身を除く): 16497171

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20593, 61779, 185337, 350081, 556011, 1050243, 1668033, 3150729, 9452187, 28356561]

約数ペア:

[(1, 28356561), (3, 9452187), (9, 3150729), (17, 1668033), (27, 1050243), (51, 556011), (81, 350081), (153, 185337), (459, 61779), (1377, 20593)]