861645093

素因数分解:

$3^1\times {\mathrm{31}}^4\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 20

約数和(自身を含む): 1190972640

約数和(自身を除く): 329327547

約数列:

[1, 3, 31, 93, 311, 933, 961, 2883, 9641, 28923, 29791, 89373, 298871, 896613, 923521, 2770563, 9265001, 27795003, 287215031, 861645093]

約数ペア:

[(1, 861645093), (3, 287215031), (31, 27795003), (93, 9265001), (311, 2770563), (933, 923521), (961, 896613), (2883, 298871), (9641, 89373), (28923, 29791)]