28813209

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1\times {\mathrm{1129}}^1$

素因数の和:1360

約数の個数: 16

約数和(自身を含む): 39486720

約数和(自身を除く): 10673511

約数列:

[1, 3, 47, 141, 181, 543, 1129, 3387, 8507, 25521, 53063, 159189, 204349, 613047, 9604403, 28813209]

約数ペア:

[(1, 28813209), (3, 9604403), (47, 613047), (141, 204349), (181, 159189), (543, 53063), (1129, 25521), (3387, 8507)]