25868889

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{821}}^1$

素因数の和:1222

約数の個数: 20

約数和(自身を含む): 38790180

約数和(自身を除く): 12921291

約数列:

[1, 3, 9, 27, 81, 389, 821, 1167, 2463, 3501, 7389, 10503, 22167, 31509, 66501, 319369, 958107, 2874321, 8622963, 25868889]

約数ペア:

[(1, 25868889), (3, 8622963), (9, 2874321), (27, 958107), (81, 319369), (389, 66501), (821, 31509), (1167, 22167), (2463, 10503), (3501, 7389)]