1966401

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^2$

素因数の和:193

約数の個数: 18

約数和(自身を含む): 2950038

約数和(自身を除く): 983637

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 657, 2993, 5329, 8979, 15987, 26937, 47961, 218489, 655467, 1966401]

約数ペア:

[(1, 1966401), (3, 655467), (9, 218489), (41, 47961), (73, 26937), (123, 15987), (219, 8979), (369, 5329), (657, 2993)]