13971657

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1277}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 21347712

約数和(自身を除く): 7376055

約数列:

[1, 3, 7, 21, 521, 1277, 1563, 3647, 3831, 8939, 10941, 26817, 665317, 1995951, 4657219, 13971657]

約数ペア:

[(1, 13971657), (3, 4657219), (7, 1995951), (21, 665317), (521, 26817), (1277, 10941), (1563, 8939), (3647, 3831)]