28266189

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{11311}}^1$

素因数の和:11345

約数の個数: 24

約数和(自身を含む): 46424448

約数和(自身を除く): 18158259

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 11311, 33933, 79177, 192287, 237531, 554239, 576861, 1346009, 1662717, 4038027, 9422063, 28266189]

約数ペア:

[(1, 28266189), (3, 9422063), (7, 4038027), (17, 1662717), (21, 1346009), (49, 576861), (51, 554239), (119, 237531), (147, 192287), (357, 79177), (833, 33933), (2499, 11311)]