12866427

素因数分解:

$3^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1559}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 21415680

約数和(自身を除く): 8549253

約数列:

[1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 1559, 2751, 4677, 8253, 10913, 14031, 32739, 98217, 204229, 612687, 1429603, 1838061, 4288809, 12866427]

約数ペア:

[(1, 12866427), (3, 4288809), (7, 1838061), (9, 1429603), (21, 612687), (63, 204229), (131, 98217), (393, 32739), (917, 14031), (1179, 10913), (1559, 8253), (2751, 4677)]