257899167

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{30517}}^1$

素因数の和:30839

約数の個数: 16

約数和(自身を含む): 383306080

約数和(自身を除く): 125406913

約数列:

[1, 3, 9, 27, 313, 939, 2817, 8451, 30517, 91551, 274653, 823959, 9551821, 28655463, 85966389, 257899167]

約数ペア:

[(1, 257899167), (3, 85966389), (9, 28655463), (27, 9551821), (313, 823959), (939, 274653), (2817, 91551), (8451, 30517)]