431640489

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{2423}}^1$

素因数の和:2949

約数の個数: 32

約数和(自身を含む): 698112000

約数和(自身を除く): 266471511

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 499, 1497, 2423, 3493, 7269, 8483, 10479, 16961, 25449, 41191, 50883, 59381, 123573, 178143, 288337, 865011, 1209077, 3627231, 8463539, 20554309, 25390617, 61662927, 143880163, 431640489]

約数ペア:

[(1, 431640489), (3, 143880163), (7, 61662927), (17, 25390617), (21, 20554309), (51, 8463539), (119, 3627231), (357, 1209077), (499, 865011), (1497, 288337), (2423, 178143), (3493, 123573), (7269, 59381), (8483, 50883), (10479, 41191), (16961, 25449)]