66642471

素因数分解:

$3^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{1061}}^1$

素因数の和:2071

約数の個数: 24

約数和(自身を含む): 110227104

約数和(自身を除く): 43584633

約数列:

[1, 3, 7, 9, 21, 63, 997, 1061, 2991, 3183, 6979, 7427, 8973, 9549, 20937, 22281, 62811, 66843, 1057817, 3173451, 7404719, 9520353, 22214157, 66642471]

約数ペア:

[(1, 66642471), (3, 22214157), (7, 9520353), (9, 7404719), (21, 3173451), (63, 1057817), (997, 66843), (1061, 62811), (2991, 22281), (3183, 20937), (6979, 9549), (7427, 8973)]