11991291

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{881}}^1$

素因数の和:1246

約数の個数: 16

約数和(自身を含む): 17287200

約数和(自身を除く): 5295909

約数列:

[1, 3, 13, 39, 349, 881, 1047, 2643, 4537, 11453, 13611, 34359, 307469, 922407, 3997097, 11991291]

約数ペア:

[(1, 11991291), (3, 3997097), (13, 922407), (39, 307469), (349, 34359), (881, 13611), (1047, 11453), (2643, 4537)]