2188266921

素因数分解:

$3^4\times {\mathrm{6961}}^1\times {\mathrm{3881}}^1$

素因数の和:10854

約数の個数: 20

約数和(自身を含む): 3270204564

約数和(自身を除く): 1081937643

約数列:

[1, 3, 9, 27, 81, 3881, 6961, 11643, 20883, 34929, 62649, 104787, 187947, 314361, 563841, 27015641, 81046923, 243140769, 729422307, 2188266921]

約数ペア:

[(1, 2188266921), (3, 729422307), (9, 243140769), (27, 81046923), (81, 27015641), (3881, 563841), (6961, 314361), (11643, 187947), (20883, 104787), (34929, 62649)]