51271297

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 66355200

約数和(自身を除く): 15083903

約数列:

[1, 7, 11, 49, 77, 107, 127, 343, 539, 749, 889, 1177, 1397, 3773, 5243, 6223, 8239, 9779, 13589, 36701, 43561, 57673, 68453, 95123, 149479, 403711, 479171, 665861, 1046353, 4661027, 7324471, 51271297]

約数ペア:

[(1, 51271297), (7, 7324471), (11, 4661027), (49, 1046353), (77, 665861), (107, 479171), (127, 403711), (343, 149479), (539, 95123), (749, 68453), (889, 57673), (1177, 43561), (1397, 36701), (3773, 13589), (5243, 9779), (6223, 8239)]