258539727

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{72481}}^1$

素因数の和:72554

約数の個数: 16

約数和(自身を含む): 365309280

約数和(自身を除く): 106769553

約数列:

[1, 3, 29, 41, 87, 123, 1189, 3567, 72481, 217443, 2101949, 2971721, 6305847, 8915163, 86179909, 258539727]

約数ペア:

[(1, 258539727), (3, 86179909), (29, 8915163), (41, 6305847), (87, 2971721), (123, 2101949), (1189, 217443), (3567, 72481)]