157999921

素因数分解:

${\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1657}}^1$

素因数の和:1824

約数の個数: 16

約数和(自身を含む): 171901440

約数和(自身を除く): 13901519

約数列:

[1, 17, 71, 79, 1207, 1343, 1657, 5609, 28169, 95353, 117647, 130903, 1999999, 2225351, 9294113, 157999921]

約数ペア:

[(1, 157999921), (17, 9294113), (71, 2225351), (79, 1999999), (1207, 130903), (1343, 117647), (1657, 95353), (5609, 28169)]