27986121

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{7457}}^1$

素因数の和:7605

約数の個数: 16

約数和(自身を含む): 41764800

約数和(自身を除く): 13778679

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 7457, 22371, 67113, 201339, 1036523, 3109569, 9328707, 27986121]

約数ペア:

[(1, 27986121), (3, 9328707), (9, 3109569), (27, 1036523), (139, 201339), (417, 67113), (1251, 22371), (3753, 7457)]