128590959

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{211151}}^1$

素因数の和:211190

約数の個数: 16

約数和(自身を含む): 202705920

約数和(自身を除く): 74114961

約数列:

[1, 3, 7, 21, 29, 87, 203, 609, 211151, 633453, 1478057, 4434171, 6123379, 18370137, 42863653, 128590959]

約数ペア:

[(1, 128590959), (3, 42863653), (7, 18370137), (21, 6123379), (29, 4434171), (87, 1478057), (203, 633453), (609, 211151)]