71083257

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 111648768

約数和(自身を除く): 40565511

約数列:

[1, 3, 7, 21, 43, 129, 223, 301, 353, 669, 903, 1059, 1561, 2471, 4683, 7413, 9589, 15179, 28767, 45537, 67123, 78719, 106253, 201369, 236157, 318759, 551033, 1653099, 3384917, 10154751, 23694419, 71083257]

約数ペア:

[(1, 71083257), (3, 23694419), (7, 10154751), (21, 3384917), (43, 1653099), (129, 551033), (223, 318759), (301, 236157), (353, 201369), (669, 106253), (903, 78719), (1059, 67123), (1561, 45537), (2471, 28767), (4683, 15179), (7413, 9589)]