991089

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 32

約数和(自身を含む): 1658880

約数和(自身を除く): 667791

約数列:

[1, 3, 9, 11, 27, 33, 47, 71, 99, 141, 213, 297, 423, 517, 639, 781, 1269, 1551, 1917, 2343, 3337, 4653, 7029, 10011, 13959, 21087, 30033, 36707, 90099, 110121, 330363, 991089]

約数ペア:

[(1, 991089), (3, 330363), (9, 110121), (11, 90099), (27, 36707), (33, 30033), (47, 21087), (71, 13959), (99, 10011), (141, 7029), (213, 4653), (297, 3337), (423, 2343), (517, 1917), (639, 1551), (781, 1269)]