1637901

素因数分解:

$3^4\times {\mathrm{73}}^1\times {\mathrm{277}}^1$

素因数の和:362

約数の個数: 20

約数和(自身を含む): 2489212

約数和(自身を除く): 851311

約数列:

[1, 3, 9, 27, 73, 81, 219, 277, 657, 831, 1971, 2493, 5913, 7479, 20221, 22437, 60663, 181989, 545967, 1637901]

約数ペア:

[(1, 1637901), (3, 545967), (9, 181989), (27, 60663), (73, 22437), (81, 20221), (219, 7479), (277, 5913), (657, 2493), (831, 1971)]