28395423

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26513}}^1$

素因数の和:26543

約数の個数: 24

約数和(自身を含む): 49634208

約数和(自身を除く): 21238785

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26513, 79539, 185591, 238617, 450721, 556773, 1352163, 1670319, 3155047, 4056489, 9465141, 28395423]

約数ペア:

[(1, 28395423), (3, 9465141), (7, 4056489), (9, 3155047), (17, 1670319), (21, 1352163), (51, 556773), (63, 450721), (119, 238617), (153, 185591), (357, 79539), (1071, 26513)]