64540161

素因数分解:

$3^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{2053}}^1$

素因数の和:2565

約数の個数: 24

約数和(自身を含む): 106808000

約数和(自身を除く): 42267839

約数列:

[1, 3, 7, 9, 21, 63, 499, 1497, 2053, 3493, 4491, 6159, 10479, 14371, 18477, 31437, 43113, 129339, 1024447, 3073341, 7171129, 9220023, 21513387, 64540161]

約数ペア:

[(1, 64540161), (3, 21513387), (7, 9220023), (9, 7171129), (21, 3073341), (63, 1024447), (499, 129339), (1497, 43113), (2053, 31437), (3493, 18477), (4491, 14371), (6159, 10479)]