28901817

素因数分解:

$3^2\times 7^2\times {\mathrm{65537}}^1$

素因数の和:65557

約数の個数: 18

約数和(自身を含む): 48563658

約数和(自身を除く): 19661841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65537, 196611, 458759, 589833, 1376277, 3211313, 4128831, 9633939, 28901817]

約数ペア:

[(1, 28901817), (3, 9633939), (7, 4128831), (9, 3211313), (21, 1376277), (49, 589833), (63, 458759), (147, 196611), (441, 65537)]