28038717

素因数分解:

$3^4\times 7^1\times {\mathrm{49451}}^1$

素因数の和:49470

約数の個数: 20

約数和(自身を含む): 47869536

約数和(自身を除く): 19830819

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 49451, 148353, 346157, 445059, 1038471, 1335177, 3115413, 4005531, 9346239, 28038717]

約数ペア:

[(1, 28038717), (3, 9346239), (7, 4005531), (9, 3115413), (21, 1335177), (27, 1038471), (63, 445059), (81, 346157), (189, 148353), (567, 49451)]