12420681

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{45497}}^1$

素因数の和:45520

約数の個数: 16

約数和(自身を含む): 20383104

約数和(自身を除く): 7962423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 45497, 136491, 318479, 591461, 955437, 1774383, 4140227, 12420681]

約数ペア:

[(1, 12420681), (3, 4140227), (7, 1774383), (13, 955437), (21, 591461), (39, 318479), (91, 136491), (273, 45497)]