121568321

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1\times {\mathrm{691}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 142762368

約数和(自身を除く): 21194047

約数列:

[1, 7, 41, 287, 613, 691, 4291, 4837, 25133, 28331, 175931, 198317, 423583, 2965081, 17366903, 121568321]

約数ペア:

[(1, 121568321), (7, 17366903), (41, 2965081), (287, 423583), (613, 198317), (691, 175931), (4291, 28331), (4837, 25133)]