28650447

素因数分解:

$3^2\times 7^3\times {\mathrm{9281}}^1$

素因数の和:9308

約数の個数: 24

約数和(自身を含む): 48266400

約数和(自身を除く): 19615953

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 9281, 27843, 64967, 83529, 194901, 454769, 584703, 1364307, 3183383, 4092921, 9550149, 28650447]

約数ペア:

[(1, 28650447), (3, 9550149), (7, 4092921), (9, 3183383), (21, 1364307), (49, 584703), (63, 454769), (147, 194901), (343, 83529), (441, 64967), (1029, 27843), (3087, 9281)]