72879015

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{6221}}^1$

素因数の和:6311

約数の個数: 32

約数和(自身を含む): 129019392

約数和(自身を除く): 56140377

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 3905, 6221, 11715, 18663, 31105, 68431, 93315, 205293, 342155, 441691, 1026465, 1325073, 2208455, 4858601, 6625365, 14575803, 24293005, 72879015]

約数ペア:

[(1, 72879015), (3, 24293005), (5, 14575803), (11, 6625365), (15, 4858601), (33, 2208455), (55, 1325073), (71, 1026465), (165, 441691), (213, 342155), (355, 205293), (781, 93315), (1065, 68431), (2343, 31105), (3905, 18663), (6221, 11715)]