81260905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{541}}^1\times {\mathrm{2731}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 106613568

約数和(自身を除く): 25352663

約数列:

[1, 5, 11, 55, 541, 2705, 2731, 5951, 13655, 29755, 30041, 150205, 1477471, 7387355, 16252181, 81260905]

約数ペア:

[(1, 81260905), (5, 16252181), (11, 7387355), (55, 1477471), (541, 150205), (2705, 30041), (2731, 29755), (5951, 13655)]