11987298

素因数分解:

$2^1\times 3^3\times {\mathrm{221987}}^1$

素因数の和:221998

約数の個数: 16

約数和(自身を含む): 26638560

約数和(自身を除く): 14651262

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 221987, 443974, 665961, 1331922, 1997883, 3995766, 5993649, 11987298]

約数ペア:

[(1, 11987298), (2, 5993649), (3, 3995766), (6, 1997883), (9, 1331922), (18, 665961), (27, 443974), (54, 221987)]