28257735

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15569}}^1$

素因数の和:15599

約数の個数: 24

約数和(自身を含む): 49699440

約数和(自身を除く): 21441705

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15569, 46707, 77845, 171259, 233535, 513777, 856295, 1883849, 2568885, 5651547, 9419245, 28257735]

約数ペア:

[(1, 28257735), (3, 9419245), (5, 5651547), (11, 2568885), (15, 1883849), (33, 856295), (55, 513777), (121, 233535), (165, 171259), (363, 77845), (605, 46707), (1815, 15569)]