155279905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{256661}}^1$

素因数の和:256688

約数の個数: 12

約数和(自身を含む): 204816276

約数和(自身を除く): 49536371

約数列:

[1, 5, 11, 55, 121, 605, 256661, 1283305, 2823271, 14116355, 31055981, 155279905]

約数ペア:

[(1, 155279905), (5, 31055981), (11, 14116355), (55, 2823271), (121, 1283305), (605, 256661)]