31354981

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1103}}^1$

素因数の和:1272

約数の個数: 16

約数和(自身を含む): 37306368

約数和(自身を除く): 5951387

約数列:

[1, 7, 31, 131, 217, 917, 1103, 4061, 7721, 28427, 34193, 144493, 239351, 1011451, 4479283, 31354981]

約数ペア:

[(1, 31354981), (7, 4479283), (31, 1011451), (131, 239351), (217, 144493), (917, 34193), (1103, 28427), (4061, 7721)]