28100961

素因数分解:

$3^2\times 7^3\times {\mathrm{9103}}^1$

素因数の和:9130

約数の個数: 24

約数和(自身を含む): 47340800

約数和(自身を除く): 19239839

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9103, 27309, 63721, 81927, 191163, 446047, 573489, 1338141, 3122329, 4014423, 9366987, 28100961]

約数ペア:

[(1, 28100961), (3, 9366987), (7, 4014423), (9, 3122329), (21, 1338141), (49, 573489), (63, 446047), (147, 191163), (343, 81927), (441, 63721), (1029, 27309), (3087, 9103)]