28198107

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12097}}^1$

素因数の和:12147

約数の個数: 24

約数和(自身を含む): 47811296

約数和(自身を除く): 19613189

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 12097, 36291, 84679, 108873, 254037, 447589, 762111, 1342767, 3133123, 4028301, 9399369, 28198107]

約数ペア:

[(1, 28198107), (3, 9399369), (7, 4028301), (9, 3133123), (21, 1342767), (37, 762111), (63, 447589), (111, 254037), (259, 108873), (333, 84679), (777, 36291), (2331, 12097)]