28968009

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{4909}}^1$

素因数の和:5200

約数の個数: 16

約数和(自身を含む): 44307840

約数和(自身を除く): 15339831

約数列:

[1, 3, 7, 21, 281, 843, 1967, 4909, 5901, 14727, 34363, 103089, 1379429, 4138287, 9656003, 28968009]

約数ペア:

[(1, 28968009), (3, 9656003), (7, 4138287), (21, 1379429), (281, 103089), (843, 34363), (1967, 14727), (4909, 5901)]