128052171

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{121607}}^1$

素因数の和:121632

約数の個数: 20

約数和(自身を含む): 206003952

約数和(自身を除く): 77951781

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 121607, 364821, 1094463, 1580891, 3283389, 4742673, 9850167, 14228019, 42684057, 128052171]

約数ペア:

[(1, 128052171), (3, 42684057), (9, 14228019), (13, 9850167), (27, 4742673), (39, 3283389), (81, 1580891), (117, 1094463), (351, 364821), (1053, 121607)]