8918181

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{4787}}^1$

素因数の和:4822

約数の個数: 20

約数和(自身を含む): 13904352

約数和(自身を除く): 4986171

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 4787, 14361, 43083, 110101, 129249, 330303, 387747, 990909, 2972727, 8918181]

約数ペア:

[(1, 8918181), (3, 2972727), (9, 990909), (23, 387747), (27, 330303), (69, 129249), (81, 110101), (207, 43083), (621, 14361), (1863, 4787)]