11889909

素因数分解:

$3^4\times {\mathrm{229}}^1\times {\mathrm{641}}^1$

素因数の和:882

約数の個数: 20

約数和(自身を含む): 17866860

約数和(自身を除く): 5976951

約数列:

[1, 3, 9, 27, 81, 229, 641, 687, 1923, 2061, 5769, 6183, 17307, 18549, 51921, 146789, 440367, 1321101, 3963303, 11889909]

約数ペア:

[(1, 11889909), (3, 3963303), (9, 1321101), (27, 440367), (81, 146789), (229, 51921), (641, 18549), (687, 17307), (1923, 6183), (2061, 5769)]