18000081

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{16529}}^1$

素因数の和:16557

約数の個数: 18

約数和(自身を含む): 28580370

約数和(自身を除く): 10580289

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 16529, 49587, 148761, 181819, 545457, 1636371, 2000009, 6000027, 18000081]

約数ペア:

[(1, 18000081), (3, 6000027), (9, 2000009), (11, 1636371), (33, 545457), (99, 181819), (121, 148761), (363, 49587), (1089, 16529)]