28851543

素因数分解:

$3^2\times 7^2\times {\mathrm{65423}}^1$

素因数の和:65443

約数の個数: 18

約数和(自身を含む): 48479184

約数和(自身を除く): 19627641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 65423, 196269, 457961, 588807, 1373883, 3205727, 4121649, 9617181, 28851543]

約数ペア:

[(1, 28851543), (3, 9617181), (7, 4121649), (9, 3205727), (21, 1373883), (49, 588807), (63, 457961), (147, 196269), (441, 65423)]