991678797

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{9521}}^1$

素因数の和:9761

約数の個数: 24

約数和(自身を含む): 1461665088

約数和(自身を除く): 469986291

約数列:

[1, 3, 9, 71, 163, 213, 489, 639, 1467, 9521, 11573, 28563, 34719, 85689, 104157, 675991, 1551923, 2027973, 4655769, 6083919, 13967307, 110186533, 330559599, 991678797]

約数ペア:

[(1, 991678797), (3, 330559599), (9, 110186533), (71, 13967307), (163, 6083919), (213, 4655769), (489, 2027973), (639, 1551923), (1467, 675991), (9521, 104157), (11573, 85689), (28563, 34719)]