15648087

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 27138048

約数和(自身を除く): 11489961

約数列:

[1, 3, 7, 13, 21, 31, 39, 43, 91, 93, 129, 217, 273, 301, 403, 559, 651, 903, 1209, 1333, 1677, 1849, 2821, 3913, 3999, 5547, 8463, 9331, 11739, 12943, 17329, 24037, 27993, 38829, 51987, 57319, 72111, 121303, 168259, 171957, 363909, 401233, 504777, 745147, 1203699, 2235441, 5216029, 15648087]

約数ペア:

[(1, 15648087), (3, 5216029), (7, 2235441), (13, 1203699), (21, 745147), (31, 504777), (39, 401233), (43, 363909), (91, 171957), (93, 168259), (129, 121303), (217, 72111), (273, 57319), (301, 51987), (403, 38829), (559, 27993), (651, 24037), (903, 17329), (1209, 12943), (1333, 11739), (1677, 9331), (1849, 8463), (2821, 5547), (3913, 3999)]