391145391

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{68227}}^1$

素因数の和:68260

約数の個数: 36

約数和(自身を含む): 707797272

約数和(自身を除く): 316651881

約数列:

[1, 3, 7, 9, 13, 21, 39, 49, 63, 91, 117, 147, 273, 441, 637, 819, 1911, 5733, 68227, 204681, 477589, 614043, 886951, 1432767, 2660853, 3343123, 4298301, 6208657, 7982559, 10029369, 18625971, 30088107, 43460599, 55877913, 130381797, 391145391]

約数ペア:

[(1, 391145391), (3, 130381797), (7, 55877913), (9, 43460599), (13, 30088107), (21, 18625971), (39, 10029369), (49, 7982559), (63, 6208657), (91, 4298301), (117, 3343123), (147, 2660853), (273, 1432767), (441, 886951), (637, 614043), (819, 477589), (1911, 204681), (5733, 68227)]