78221907

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{751}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 115435008

約数和(自身を除く): 37213101

約数列:

[1, 3, 9, 71, 163, 213, 489, 639, 751, 1467, 2253, 6759, 11573, 34719, 53321, 104157, 122413, 159963, 367239, 479889, 1101717, 8691323, 26073969, 78221907]

約数ペア:

[(1, 78221907), (3, 26073969), (9, 8691323), (71, 1101717), (163, 479889), (213, 367239), (489, 159963), (639, 122413), (751, 104157), (1467, 53321), (2253, 34719), (6759, 11573)]