31444881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{839}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 46710720

約数和(自身を除く): 15265839

約数列:

[1, 3, 13, 31, 39, 93, 403, 839, 961, 1209, 2517, 2883, 10907, 12493, 26009, 32721, 37479, 78027, 338117, 806279, 1014351, 2418837, 10481627, 31444881]

約数ペア:

[(1, 31444881), (3, 10481627), (13, 2418837), (31, 1014351), (39, 806279), (93, 338117), (403, 78027), (839, 37479), (961, 32721), (1209, 26009), (2517, 12493), (2883, 10907)]