21864897

素因数分解:

$3^6\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 28

約数和(自身を含む): 33249060

約数和(自身を除く): 11384163

約数列:

[1, 3, 9, 27, 81, 89, 243, 267, 337, 729, 801, 1011, 2403, 3033, 7209, 9099, 21627, 27297, 29993, 64881, 81891, 89979, 245673, 269937, 809811, 2429433, 7288299, 21864897]

約数ペア:

[(1, 21864897), (3, 7288299), (9, 2429433), (27, 809811), (81, 269937), (89, 245673), (243, 89979), (267, 81891), (337, 64881), (729, 29993), (801, 27297), (1011, 21627), (2403, 9099), (3033, 7209)]