81397563

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{31151}}^1$

素因数の和:31234

約数の個数: 16

約数和(自身を含む): 118626816

約数和(自身を除く): 37229253

約数列:

[1, 3, 13, 39, 67, 201, 871, 2613, 31151, 93453, 404963, 1214889, 2087117, 6261351, 27132521, 81397563]

約数ペア:

[(1, 81397563), (3, 27132521), (13, 6261351), (39, 2087117), (67, 1214889), (201, 404963), (871, 93453), (2613, 31151)]