18654921

素因数分解:

$3^3\times {\mathrm{401}}^1\times {\mathrm{1723}}^1$

素因数の和:2133

約数の個数: 16

約数和(自身を含む): 27721920

約数和(自身を除く): 9066999

約数列:

[1, 3, 9, 27, 401, 1203, 1723, 3609, 5169, 10827, 15507, 46521, 690923, 2072769, 6218307, 18654921]

約数ペア:

[(1, 18654921), (3, 6218307), (9, 2072769), (27, 690923), (401, 46521), (1203, 15507), (1723, 10827), (3609, 5169)]