128066913

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{121621}}^1$

素因数の和:121646

約数の個数: 20

約数和(自身を含む): 206027668

約数和(自身を除く): 77960755

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 121621, 364863, 1094589, 1581073, 3283767, 4743219, 9851301, 14229657, 42688971, 128066913]

約数ペア:

[(1, 128066913), (3, 42688971), (9, 14229657), (13, 9851301), (27, 4743219), (39, 3283767), (81, 1581073), (117, 1094589), (351, 364863), (1053, 121621)]