28388415

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15641}}^1$

素因数の和:15671

約数の個数: 24

約数和(自身を含む): 49929264

約数和(自身を除く): 21540849

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15641, 46923, 78205, 172051, 234615, 516153, 860255, 1892561, 2580765, 5677683, 9462805, 28388415]

約数ペア:

[(1, 28388415), (3, 9462805), (5, 5677683), (11, 2580765), (15, 1892561), (33, 860255), (55, 516153), (121, 234615), (165, 172051), (363, 78205), (605, 46923), (1815, 15641)]