81284301

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{34871}}^1$

素因数の和:34921

約数の個数: 24

約数和(自身を含む): 137814144

約数和(自身を除く): 56529843

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 34871, 104613, 244097, 313839, 732291, 1290227, 2196873, 3870681, 9031589, 11612043, 27094767, 81284301]

約数ペア:

[(1, 81284301), (3, 27094767), (7, 11612043), (9, 9031589), (21, 3870681), (37, 2196873), (63, 1290227), (111, 732291), (259, 313839), (333, 244097), (777, 104613), (2331, 34871)]