245993727

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{285707}}^1$

素因数の和:285758

約数の個数: 16

約数和(自身を含む): 383991552

約数和(自身を除く): 137997825

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 285707, 857121, 1999949, 5999847, 11713987, 35141961, 81997909, 245993727]

約数ペア:

[(1, 245993727), (3, 81997909), (7, 35141961), (21, 11713987), (41, 5999847), (123, 1999949), (287, 857121), (861, 285707)]