12320181

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1709}}^1$

素因数の和:1810

約数の個数: 20

約数和(自身を含む): 18621900

約数和(自身を除く): 6301719

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1709, 2403, 5127, 7209, 15381, 46143, 138429, 152101, 456303, 1368909, 4106727, 12320181]

約数ペア:

[(1, 12320181), (3, 4106727), (9, 1368909), (27, 456303), (81, 152101), (89, 138429), (267, 46143), (801, 15381), (1709, 7209), (2403, 5127)]