2178713121

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1299173}}^1$

素因数の和:1299232

約数の個数: 16

約数和(自身を含む): 3201164736

約数和(自身を除く): 1022451615

約数列:

[1, 3, 13, 39, 43, 129, 559, 1677, 1299173, 3897519, 16889249, 50667747, 55864439, 167593317, 726237707, 2178713121]

約数ペア:

[(1, 2178713121), (3, 726237707), (13, 167593317), (39, 55864439), (43, 50667747), (129, 16889249), (559, 3897519), (1677, 1299173)]