820479

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:107

約数の個数: 24

約数和(自身を含む): 1274112

約数和(自身を除く): 453633

約数列:

[1, 3, 11, 23, 33, 47, 69, 141, 253, 517, 529, 759, 1081, 1551, 1587, 3243, 5819, 11891, 17457, 24863, 35673, 74589, 273493, 820479]

約数ペア:

[(1, 820479), (3, 273493), (11, 74589), (23, 35673), (33, 24863), (47, 17457), (69, 11891), (141, 5819), (253, 3243), (517, 1587), (529, 1551), (759, 1081)]