28055097

素因数分解:

$3^2\times 7^2\times {\mathrm{63617}}^1$

素因数の和:63637

約数の個数: 18

約数和(自身を含む): 47140938

約数和(自身を除く): 19085841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63617, 190851, 445319, 572553, 1335957, 3117233, 4007871, 9351699, 28055097]

約数ペア:

[(1, 28055097), (3, 9351699), (7, 4007871), (9, 3117233), (21, 1335957), (49, 572553), (63, 445319), (147, 190851), (441, 63617)]