128529921

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{16561}}^1$

素因数の和:16776

約数の個数: 16

約数和(自身を含む): 185494400

約数和(自身を除く): 56964479

約数列:

[1, 3, 13, 39, 199, 597, 2587, 7761, 16561, 49683, 215293, 645879, 3295639, 9886917, 42843307, 128529921]

約数ペア:

[(1, 128529921), (3, 42843307), (13, 9886917), (39, 3295639), (199, 645879), (597, 215293), (2587, 49683), (7761, 16561)]