28357479

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61781}}^1$

素因数の和:61807

約数の個数: 16

約数和(自身を含む): 44483040

約数和(自身を除く): 16125561

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 61781, 185343, 556029, 1050277, 1668087, 3150831, 9452493, 28357479]

約数ペア:

[(1, 28357479), (3, 9452493), (9, 3150831), (17, 1668087), (27, 1050277), (51, 556029), (153, 185343), (459, 61781)]