2857005

素因数分解:

$3^3\times 5^1\times {\mathrm{21163}}^1$

素因数の和:21177

約数の個数: 16

約数和(自身を含む): 5079360

約数和(自身を除く): 2222355

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21163, 63489, 105815, 190467, 317445, 571401, 952335, 2857005]

約数ペア:

[(1, 2857005), (3, 952335), (5, 571401), (9, 317445), (15, 190467), (27, 105815), (45, 63489), (135, 21163)]