81489291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{1621}}^1$

素因数の和:2926

約数の個数: 16

約数和(自身を含む): 117173280

約数和(自身を除く): 35683989

約数列:

[1, 3, 13, 39, 1289, 1621, 3867, 4863, 16757, 21073, 50271, 63219, 2089469, 6268407, 27163097, 81489291]

約数ペア:

[(1, 81489291), (3, 27163097), (13, 6268407), (39, 2089469), (1289, 63219), (1621, 50271), (3867, 21073), (4863, 16757)]