127581391

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{11161}}^1$

素因数の和:11262

約数の個数: 16

約数和(自身を含む): 154303488

約数和(自身を除く): 26722097

約数列:

[1, 7, 23, 71, 161, 497, 1633, 11161, 11431, 78127, 256703, 792431, 1796921, 5547017, 18225913, 127581391]

約数ペア:

[(1, 127581391), (7, 18225913), (23, 5547017), (71, 1796921), (161, 792431), (497, 256703), (1633, 78127), (11161, 11431)]