28656621

素因数分解:

$3^2\times 7^3\times {\mathrm{9283}}^1$

素因数の和:9310

約数の個数: 24

約数和(自身を含む): 48276800

約数和(自身を除く): 19620179

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9283, 27849, 64981, 83547, 194943, 454867, 584829, 1364601, 3184069, 4093803, 9552207, 28656621]

約数ペア:

[(1, 28656621), (3, 9552207), (7, 4093803), (9, 3184069), (21, 1364601), (49, 584829), (63, 454867), (147, 194943), (343, 83547), (441, 64981), (1029, 27849), (3087, 9283)]