12172311

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 18285696

約数和(自身を除く): 6113385

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 443, 639, 1329, 3053, 3987, 9159, 19049, 27477, 31453, 57147, 94359, 171441, 283077, 1352479, 4057437, 12172311]

約数ペア:

[(1, 12172311), (3, 4057437), (9, 1352479), (43, 283077), (71, 171441), (129, 94359), (213, 57147), (387, 31453), (443, 27477), (639, 19049), (1329, 9159), (3053, 3987)]