28365825

素因数分解:

$3^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3347}}^1$

素因数の和:3473

約数の個数: 24

約数和(自身を含む): 47327328

約数和(自身を除く): 18961503

約数列:

[1, 3, 5, 15, 25, 75, 113, 339, 565, 1695, 2825, 3347, 8475, 10041, 16735, 50205, 83675, 251025, 378211, 1134633, 1891055, 5673165, 9455275, 28365825]

約数ペア:

[(1, 28365825), (3, 9455275), (5, 5673165), (15, 1891055), (25, 1134633), (75, 378211), (113, 251025), (339, 83675), (565, 50205), (1695, 16735), (2825, 10041), (3347, 8475)]