15691385367

素因数分解:

$3^4\times 7^1\times {\mathrm{27674401}}^1$

素因数の和:27674420

約数の個数: 20

約数和(自身を含む): 26788821136

約数和(自身を除く): 11097435769

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 27674401, 83023203, 193720807, 249069609, 581162421, 747208827, 1743487263, 2241626481, 5230461789, 15691385367]

約数ペア:

[(1, 15691385367), (3, 5230461789), (7, 2241626481), (9, 1743487263), (21, 747208827), (27, 581162421), (63, 249069609), (81, 193720807), (189, 83023203), (567, 27674401)]