667079217

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 1121947008

約数和(自身を除く): 454867791

約数列:

[1, 3, 7, 9, 21, 63, 83, 193, 249, 579, 581, 661, 747, 1351, 1737, 1743, 1983, 4053, 4627, 5229, 5949, 12159, 13881, 16019, 41643, 48057, 54863, 112133, 127573, 144171, 164589, 336399, 382719, 384041, 493767, 893011, 1009197, 1148157, 1152123, 2679033, 3456369, 8037099, 10588559, 31765677, 74119913, 95297031, 222359739, 667079217]

約数ペア:

[(1, 667079217), (3, 222359739), (7, 95297031), (9, 74119913), (21, 31765677), (63, 10588559), (83, 8037099), (193, 3456369), (249, 2679033), (579, 1152123), (581, 1148157), (661, 1009197), (747, 893011), (1351, 493767), (1737, 384041), (1743, 382719), (1983, 336399), (4053, 164589), (4627, 144171), (5229, 127573), (5949, 112133), (12159, 54863), (13881, 48057), (16019, 41643)]