181997253

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{66739}}^1$

素因数の和:66849

約数の個数: 16

約数和(自身を含む): 272299200

約数和(自身を除く): 90301947

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 66739, 200217, 600651, 1801953, 6740639, 20221917, 60665751, 181997253]

約数ペア:

[(1, 181997253), (3, 60665751), (9, 20221917), (27, 6740639), (101, 1801953), (303, 600651), (909, 200217), (2727, 66739)]