27888201

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{25609}}^1$

素因数の和:25637

約数の個数: 18

約数和(自身を含む): 44279690

約数和(自身を除く): 16391489

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 25609, 76827, 230481, 281699, 845097, 2535291, 3098689, 9296067, 27888201]

約数ペア:

[(1, 27888201), (3, 9296067), (9, 3098689), (11, 2535291), (33, 845097), (99, 281699), (121, 230481), (363, 76827), (1089, 25609)]