289317663

素因数分解:

$3^4\times {\mathrm{1531}}^1\times {\mathrm{2333}}^1$

素因数の和:3876

約数の個数: 20

約数和(自身を含む): 432658248

約数和(自身を除く): 143340585

約数列:

[1, 3, 9, 27, 81, 1531, 2333, 4593, 6999, 13779, 20997, 41337, 62991, 124011, 188973, 3571823, 10715469, 32146407, 96439221, 289317663]

約数ペア:

[(1, 289317663), (3, 96439221), (9, 32146407), (27, 10715469), (81, 3571823), (1531, 188973), (2333, 124011), (4593, 62991), (6999, 41337), (13779, 20997)]