209710081

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1\times {\mathrm{1103}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 242809344

約数和(自身を除く): 33099263

約数列:

[1, 7, 157, 173, 1099, 1103, 1211, 7721, 27161, 173171, 190127, 190819, 1212197, 1335733, 29958583, 209710081]

約数ペア:

[(1, 209710081), (7, 29958583), (157, 1335733), (173, 1212197), (1099, 190819), (1103, 190127), (1211, 173171), (7721, 27161)]