18170001

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2334

約数の個数: 20

約数和(自身を含む): 27423924

約数和(自身を除く): 9253923

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2221, 2727, 6663, 8181, 19989, 59967, 179901, 224321, 672963, 2018889, 6056667, 18170001]

約数ペア:

[(1, 18170001), (3, 6056667), (9, 2018889), (27, 672963), (81, 224321), (101, 179901), (303, 59967), (909, 19989), (2221, 8181), (2727, 6663)]