266987133

素因数分解:

$3^2\times 7^2\times {\mathrm{605413}}^1$

素因数の和:605433

約数の個数: 18

約数和(自身を含む): 448611774

約数和(自身を除く): 181624641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 605413, 1816239, 4237891, 5448717, 12713673, 29665237, 38141019, 88995711, 266987133]

約数ペア:

[(1, 266987133), (3, 88995711), (7, 38141019), (9, 29665237), (21, 12713673), (49, 5448717), (63, 4237891), (147, 1816239), (441, 605413)]