402689961

素因数分解:

$3^4\times {\mathrm{1709}}^1\times {\mathrm{2909}}^1$

素因数の和:4630

約数の個数: 20

約数和(自身を含む): 602108100

約数和(自身を除く): 199418139

約数列:

[1, 3, 9, 27, 81, 1709, 2909, 5127, 8727, 15381, 26181, 46143, 78543, 138429, 235629, 4971481, 14914443, 44743329, 134229987, 402689961]

約数ペア:

[(1, 402689961), (3, 134229987), (9, 44743329), (27, 14914443), (81, 4971481), (1709, 235629), (2909, 138429), (5127, 78543), (8727, 46143), (15381, 26181)]