1989651

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2755584

約数和(自身を除く): 765933

約数列:

[1, 3, 47, 103, 137, 141, 309, 411, 4841, 6439, 14111, 14523, 19317, 42333, 663217, 1989651]

約数ペア:

[(1, 1989651), (3, 663217), (47, 42333), (103, 19317), (137, 14523), (141, 14111), (309, 6439), (411, 4841)]