339936863

素因数分解:

$7^2\times {\mathrm{41}}^2\times {\mathrm{4127}}^1$

素因数の和:4223

約数の個数: 18

約数和(自身を含む): 405415008

約数和(自身を除く): 65478145

約数列:

[1, 7, 41, 49, 287, 1681, 2009, 4127, 11767, 28889, 82369, 169207, 202223, 1184449, 6937487, 8291143, 48562409, 339936863]

約数ペア:

[(1, 339936863), (7, 48562409), (41, 8291143), (49, 6937487), (287, 1184449), (1681, 202223), (2009, 169207), (4127, 82369), (11767, 28889)]