12280401

素因数分解:

$3^2\times 7^1\times {\mathrm{397}}^1\times {\mathrm{491}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 20364864

約数和(自身を除く): 8084463

約数列:

[1, 3, 7, 9, 21, 63, 397, 491, 1191, 1473, 2779, 3437, 3573, 4419, 8337, 10311, 25011, 30933, 194927, 584781, 1364489, 1754343, 4093467, 12280401]

約数ペア:

[(1, 12280401), (3, 4093467), (7, 1754343), (9, 1364489), (21, 584781), (63, 194927), (397, 30933), (491, 25011), (1191, 10311), (1473, 8337), (2779, 4419), (3437, 3573)]