20570121

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1453}}^1$

素因数の和:1494

約数の個数: 36

約数和(自身を含む): 35195524

約数和(自身を除く): 14625403

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 1089, 1287, 1453, 1573, 4359, 4719, 13077, 14157, 15983, 18889, 47949, 56667, 143847, 170001, 175813, 207779, 527439, 623337, 1582317, 1870011, 2285569, 6856707, 20570121]

約数ペア:

[(1, 20570121), (3, 6856707), (9, 2285569), (11, 1870011), (13, 1582317), (33, 623337), (39, 527439), (99, 207779), (117, 175813), (121, 170001), (143, 143847), (363, 56667), (429, 47949), (1089, 18889), (1287, 15983), (1453, 14157), (1573, 13077), (4359, 4719)]