15500889

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{11257}}^1$

素因数の和:11286

約数の個数: 20

約数和(自身を含む): 24519924

約数和(自身を除く): 9019035

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 11257, 33771, 101313, 191369, 303939, 574107, 911817, 1722321, 5166963, 15500889]

約数ペア:

[(1, 15500889), (3, 5166963), (9, 1722321), (17, 911817), (27, 574107), (51, 303939), (81, 191369), (153, 101313), (459, 33771), (1377, 11257)]