187677021

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{86767}}^1$

素因数の和:86880

約数の個数: 16

約数和(自身を含む): 288763904

約数和(自身を除く): 101086883

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 86767, 260301, 607369, 1822107, 8937001, 26811003, 62559007, 187677021]

約数ペア:

[(1, 187677021), (3, 62559007), (7, 26811003), (21, 8937001), (103, 1822107), (309, 607369), (721, 260301), (2163, 86767)]