39997191

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{15307}}^1$

素因数の和:15390

約数の個数: 16

約数和(自身を含む): 58292864

約数和(自身を除く): 18295673

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 15307, 45921, 198991, 596973, 1025569, 3076707, 13332397, 39997191]

約数ペア:

[(1, 39997191), (3, 13332397), (13, 3076707), (39, 1025569), (67, 596973), (201, 198991), (871, 45921), (2613, 15307)]