42987651

素因数分解:

$3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{1277}}^1$

素因数の和:1523

約数の個数: 24

約数和(自身を含む): 67018320

約数和(自身を除く): 24030669

約数列:

[1, 3, 7, 21, 49, 147, 229, 687, 1277, 1603, 3831, 4809, 8939, 11221, 26817, 33663, 62573, 187719, 292433, 877299, 2047031, 6141093, 14329217, 42987651]

約数ペア:

[(1, 42987651), (3, 14329217), (7, 6141093), (21, 2047031), (49, 877299), (147, 292433), (229, 187719), (687, 62573), (1277, 33663), (1603, 26817), (3831, 11221), (4809, 8939)]