28948995

素因数分解:

$3^4\times 5^1\times {\mathrm{71479}}^1$

素因数の和:71496

約数の個数: 20

約数和(自身を含む): 51894480

約数和(自身を除く): 22945485

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 71479, 214437, 357395, 643311, 1072185, 1929933, 3216555, 5789799, 9649665, 28948995]

約数ペア:

[(1, 28948995), (3, 9649665), (5, 5789799), (9, 3216555), (15, 1929933), (27, 1072185), (45, 643311), (81, 357395), (135, 214437), (405, 71479)]