18680121

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{23321}}^1$

素因数の和:23416

約数の個数: 12

約数和(自身を含む): 27286740

約数和(自身を除く): 8606619

約数列:

[1, 3, 9, 89, 267, 801, 23321, 69963, 209889, 2075569, 6226707, 18680121]

約数ペア:

[(1, 18680121), (3, 6226707), (9, 2075569), (89, 209889), (267, 69963), (801, 23321)]