40329891

素因数分解:

$3^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{839}}^1$

素因数の和:968

約数の個数: 36

約数和(自身を含む): 68468400

約数和(自身を除く): 28138509

約数列:

[1, 3, 7, 9, 21, 49, 63, 109, 147, 327, 441, 763, 839, 981, 2289, 2517, 5341, 5873, 6867, 7551, 16023, 17619, 41111, 48069, 52857, 91451, 123333, 274353, 369999, 640157, 823059, 1920471, 4481099, 5761413, 13443297, 40329891]

約数ペア:

[(1, 40329891), (3, 13443297), (7, 5761413), (9, 4481099), (21, 1920471), (49, 823059), (63, 640157), (109, 369999), (147, 274353), (327, 123333), (441, 91451), (763, 52857), (839, 48069), (981, 41111), (2289, 17619), (2517, 16023), (5341, 7551), (5873, 6867)]