255725487

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{16903}}^1$

素因数の和:16991

約数の個数: 18

約数和(自身を含む): 378632696

約数和(自身を除く): 122907209

約数列:

[1, 3, 9, 41, 123, 369, 1681, 5043, 15129, 16903, 50709, 152127, 693023, 2079069, 6237207, 28413943, 85241829, 255725487]

約数ペア:

[(1, 255725487), (3, 85241829), (9, 28413943), (41, 6237207), (123, 2079069), (369, 693023), (1681, 152127), (5043, 50709), (15129, 16903)]