856809

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:157

約数の個数: 24

約数和(自身を含む): 1327872

約数和(自身を除く): 471063

約数列:

[1, 3, 9, 31, 37, 83, 93, 111, 249, 279, 333, 747, 1147, 2573, 3071, 3441, 7719, 9213, 10323, 23157, 27639, 95201, 285603, 856809]

約数ペア:

[(1, 856809), (3, 285603), (9, 95201), (31, 27639), (37, 23157), (83, 10323), (93, 9213), (111, 7719), (249, 3441), (279, 3071), (333, 2573), (747, 1147)]