67895667

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 116633088

約数和(自身を除く): 48737421

約数列:

[1, 3, 7, 9, 21, 43, 63, 71, 129, 213, 301, 353, 387, 497, 639, 903, 1059, 1491, 2471, 2709, 3053, 3177, 4473, 7413, 9159, 15179, 21371, 22239, 25063, 27477, 45537, 64113, 75189, 106253, 136611, 175441, 192339, 225567, 318759, 526323, 956277, 1077709, 1578969, 3233127, 7543963, 9699381, 22631889, 67895667]

約数ペア:

[(1, 67895667), (3, 22631889), (7, 9699381), (9, 7543963), (21, 3233127), (43, 1578969), (63, 1077709), (71, 956277), (129, 526323), (213, 318759), (301, 225567), (353, 192339), (387, 175441), (497, 136611), (639, 106253), (903, 75189), (1059, 64113), (1491, 45537), (2471, 27477), (2709, 25063), (3053, 22239), (3177, 21371), (4473, 15179), (7413, 9159)]