39313911

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 70253568

約数和(自身を除く): 30939657

約数列:

[1, 3, 7, 13, 17, 21, 39, 43, 51, 91, 119, 129, 197, 221, 273, 301, 357, 559, 591, 663, 731, 903, 1379, 1547, 1677, 2193, 2561, 3349, 3913, 4137, 4641, 5117, 7683, 8471, 9503, 10047, 11739, 15351, 17927, 23443, 25413, 28509, 43537, 53781, 59297, 66521, 70329, 110123, 130611, 144007, 177891, 199563, 304759, 330369, 432021, 770861, 914277, 1008049, 1872091, 2312583, 3024147, 5616273, 13104637, 39313911]

約数ペア:

[(1, 39313911), (3, 13104637), (7, 5616273), (13, 3024147), (17, 2312583), (21, 1872091), (39, 1008049), (43, 914277), (51, 770861), (91, 432021), (119, 330369), (129, 304759), (197, 199563), (221, 177891), (273, 144007), (301, 130611), (357, 110123), (559, 70329), (591, 66521), (663, 59297), (731, 53781), (903, 43537), (1379, 28509), (1547, 25413), (1677, 23443), (2193, 17927), (2561, 15351), (3349, 11739), (3913, 10047), (4137, 9503), (4641, 8471), (5117, 7683)]