13340391

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:910

約数の個数: 16

約数和(自身を含む): 18645504

約数和(自身を除く): 5305113

約数列:

[1, 3, 23, 69, 397, 487, 1191, 1461, 9131, 11201, 27393, 33603, 193339, 580017, 4446797, 13340391]

約数ペア:

[(1, 13340391), (3, 4446797), (23, 580017), (69, 193339), (397, 33603), (487, 27393), (1191, 11201), (1461, 9131)]