27981987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{4261}}^1$

素因数の和:4474

約数の個数: 16

約数和(自身を含む): 40915200

約数和(自身を除く): 12933213

約数列:

[1, 3, 11, 33, 199, 597, 2189, 4261, 6567, 12783, 46871, 140613, 847939, 2543817, 9327329, 27981987]

約数ペア:

[(1, 27981987), (3, 9327329), (11, 2543817), (33, 847939), (199, 140613), (597, 46871), (2189, 12783), (4261, 6567)]