27285951

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:172

約数の個数: 64

約数和(自身を含む): 48254976

約数和(自身を除く): 20969025

約数列:

[1, 3, 7, 11, 21, 33, 41, 43, 67, 77, 123, 129, 201, 231, 287, 301, 451, 469, 473, 737, 861, 903, 1353, 1407, 1419, 1763, 2211, 2747, 2881, 3157, 3311, 5159, 5289, 8241, 8643, 9471, 9933, 12341, 15477, 19229, 19393, 20167, 30217, 31691, 37023, 57687, 58179, 60501, 90651, 95073, 118121, 135751, 211519, 221837, 354363, 407253, 634557, 665511, 826847, 1299331, 2480541, 3897993, 9095317, 27285951]

約数ペア:

[(1, 27285951), (3, 9095317), (7, 3897993), (11, 2480541), (21, 1299331), (33, 826847), (41, 665511), (43, 634557), (67, 407253), (77, 354363), (123, 221837), (129, 211519), (201, 135751), (231, 118121), (287, 95073), (301, 90651), (451, 60501), (469, 58179), (473, 57687), (737, 37023), (861, 31691), (903, 30217), (1353, 20167), (1407, 19393), (1419, 19229), (1763, 15477), (2211, 12341), (2747, 9933), (2881, 9471), (3157, 8643), (3311, 8241), (5159, 5289)]