439089

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 711360

約数和(自身を除く): 272271

約数列:

[1, 3, 7, 21, 29, 49, 87, 103, 147, 203, 309, 609, 721, 1421, 2163, 2987, 4263, 5047, 8961, 15141, 20909, 62727, 146363, 439089]

約数ペア:

[(1, 439089), (3, 146363), (7, 62727), (21, 20909), (29, 15141), (49, 8961), (87, 5047), (103, 4263), (147, 2987), (203, 2163), (309, 1421), (609, 721)]