71972487

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{691}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 106224768

約数和(自身を除く): 34252281

約数列:

[1, 3, 9, 71, 163, 213, 489, 639, 691, 1467, 2073, 6219, 11573, 34719, 49061, 104157, 112633, 147183, 337899, 441549, 1013697, 7996943, 23990829, 71972487]

約数ペア:

[(1, 71972487), (3, 23990829), (9, 7996943), (71, 1013697), (163, 441549), (213, 337899), (489, 147183), (639, 112633), (691, 104157), (1467, 49061), (2073, 34719), (6219, 11573)]