6678981

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 10243584

約数和(自身を除く): 3564603

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 647, 1147, 1941, 3441, 5823, 10323, 20057, 23939, 60171, 71817, 180513, 215451, 742109, 2226327, 6678981]

約数ペア:

[(1, 6678981), (3, 2226327), (9, 742109), (31, 215451), (37, 180513), (93, 71817), (111, 60171), (279, 23939), (333, 20057), (647, 10323), (1147, 5823), (1941, 3441)]