31968909

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11801}}^1$

素因数の和:11857

約数の個数: 24

約数和(自身を含む): 54005952

約数和(自身を除く): 22037043

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 11801, 35403, 82607, 106209, 247821, 507443, 743463, 1522329, 3552101, 4566987, 10656303, 31968909]

約数ペア:

[(1, 31968909), (3, 10656303), (7, 4566987), (9, 3552101), (21, 1522329), (43, 743463), (63, 507443), (129, 247821), (301, 106209), (387, 82607), (903, 35403), (2709, 11801)]