64376781

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2933

約数の個数: 32

約数和(自身を含む): 104259840

約数和(自身を除く): 39883059

約数列:

[1, 3, 7, 21, 29, 37, 87, 111, 203, 259, 609, 777, 1073, 2857, 3219, 7511, 8571, 19999, 22533, 59997, 82853, 105709, 248559, 317127, 579971, 739963, 1739913, 2219889, 3065561, 9196683, 21458927, 64376781]

約数ペア:

[(1, 64376781), (3, 21458927), (7, 9196683), (21, 3065561), (29, 2219889), (37, 1739913), (87, 739963), (111, 579971), (203, 317127), (259, 248559), (609, 105709), (777, 82853), (1073, 59997), (2857, 22533), (3219, 19999), (7511, 8571)]