123720565479

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{78787}}^1$

素因数の和:78924

約数の個数: 64

約数和(自身を含む): 202342711296

約数和(自身を除く): 78622145817

約数列:

[1, 3, 7, 21, 37, 43, 47, 111, 129, 141, 259, 301, 329, 777, 903, 987, 1591, 1739, 2021, 4773, 5217, 6063, 11137, 12173, 14147, 33411, 36519, 42441, 74777, 78787, 224331, 236361, 523439, 551509, 1570317, 1654527, 2915119, 3387841, 3702989, 8745357, 10163523, 11108967, 20405833, 23714887, 25920923, 61217499, 71144661, 77762769, 125350117, 137010593, 159228527, 376050351, 411031779, 477685581, 877450819, 959074151, 1114599689, 2632352457, 2877222453, 3343799067, 5891455499, 17674366497, 41240188493, 123720565479]

約数ペア:

[(1, 123720565479), (3, 41240188493), (7, 17674366497), (21, 5891455499), (37, 3343799067), (43, 2877222453), (47, 2632352457), (111, 1114599689), (129, 959074151), (141, 877450819), (259, 477685581), (301, 411031779), (329, 376050351), (777, 159228527), (903, 137010593), (987, 125350117), (1591, 77762769), (1739, 71144661), (2021, 61217499), (4773, 25920923), (5217, 23714887), (6063, 20405833), (11137, 11108967), (12173, 10163523), (14147, 8745357), (33411, 3702989), (36519, 3387841), (42441, 2915119), (74777, 1654527), (78787, 1570317), (224331, 551509), (236361, 523439)]