68229217

素因数分解:

$7^4\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:366

約数の個数: 20

約数和(自身を含む): 80545556

約数和(自身を除く): 12316339

約数列:

[1, 7, 49, 157, 181, 343, 1099, 1267, 2401, 7693, 8869, 28417, 53851, 62083, 198919, 376957, 434581, 1392433, 9747031, 68229217]

約数ペア:

[(1, 68229217), (7, 9747031), (49, 1392433), (157, 434581), (181, 376957), (343, 198919), (1099, 62083), (1267, 53851), (2401, 28417), (7693, 8869)]