12805220691

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{6679823}}^1$

素因数の和:6679903

約数の個数: 16

約数和(自身を含む): 19237893120

約数和(自身を除く): 6432672429

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 6679823, 20039469, 60118407, 180355221, 474267433, 1422802299, 4268406897, 12805220691]

約数ペア:

[(1, 12805220691), (3, 4268406897), (9, 1422802299), (27, 474267433), (71, 180355221), (213, 60118407), (639, 20039469), (1917, 6679823)]