27786385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{379}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 38522880

約数和(自身を除く): 10736495

約数列:

[1, 5, 11, 31, 43, 55, 155, 215, 341, 379, 473, 1333, 1705, 1895, 2365, 4169, 6665, 11749, 14663, 16297, 20845, 58745, 73315, 81485, 129239, 179267, 505207, 646195, 896335, 2526035, 5557277, 27786385]

約数ペア:

[(1, 27786385), (5, 5557277), (11, 2526035), (31, 896335), (43, 646195), (55, 505207), (155, 179267), (215, 129239), (341, 81485), (379, 73315), (473, 58745), (1333, 20845), (1705, 16297), (1895, 14663), (2365, 11749), (4169, 6665)]