28321461

素因数分解:

$3^3\times 7^2\times {\mathrm{21407}}^1$

素因数の和:21430

約数の個数: 24

約数和(自身を含む): 48810240

約数和(自身を除く): 20488779

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 21407, 64221, 149849, 192663, 449547, 577989, 1048943, 1348641, 3146829, 4045923, 9440487, 28321461]

約数ペア:

[(1, 28321461), (3, 9440487), (7, 4045923), (9, 3146829), (21, 1348641), (27, 1048943), (49, 577989), (63, 449547), (147, 192663), (189, 149849), (441, 64221), (1323, 21407)]