74621781

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{691}}^1$

素因数の和:794

約数の個数: 36

約数和(自身を含む): 118531296

約数和(自身を除く): 43909515

約数列:

[1, 3, 9, 13, 39, 71, 117, 169, 213, 507, 639, 691, 923, 1521, 2073, 2769, 6219, 8307, 8983, 11999, 26949, 35997, 49061, 80847, 107991, 116779, 147183, 350337, 441549, 637793, 1051011, 1913379, 5740137, 8291309, 24873927, 74621781]

約数ペア:

[(1, 74621781), (3, 24873927), (9, 8291309), (13, 5740137), (39, 1913379), (71, 1051011), (117, 637793), (169, 441549), (213, 350337), (507, 147183), (639, 116779), (691, 107991), (923, 80847), (1521, 49061), (2073, 35997), (2769, 26949), (6219, 11999), (8307, 8983)]