15704507

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 21073920

約数和(自身を除く): 5369413

約数列:

[1, 7, 13, 19, 31, 91, 133, 217, 247, 293, 403, 589, 1729, 2051, 2821, 3809, 4123, 5567, 7657, 9083, 26663, 38969, 53599, 63581, 72371, 118079, 172577, 506597, 826553, 1208039, 2243501, 15704507]

約数ペア:

[(1, 15704507), (7, 2243501), (13, 1208039), (19, 826553), (31, 506597), (91, 172577), (133, 118079), (217, 72371), (247, 63581), (293, 53599), (403, 38969), (589, 26663), (1729, 9083), (2051, 7657), (2821, 5567), (3809, 4123)]