131946919

素因数分解:

${\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 24

約数和(自身を含む): 148929792

約数和(自身を除く): 16982873

約数列:

[1, 13, 43, 67, 169, 271, 559, 871, 2881, 3523, 7267, 11323, 11653, 18157, 37453, 45799, 151489, 236041, 486889, 780751, 1969357, 3068533, 10149763, 131946919]

約数ペア:

[(1, 131946919), (13, 10149763), (43, 3068533), (67, 1969357), (169, 780751), (271, 486889), (559, 236041), (871, 151489), (2881, 45799), (3523, 37453), (7267, 18157), (11323, 11653)]