78290121

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{286777}}^1$

素因数の和:286800

約数の個数: 16

約数和(自身を含む): 128476544

約数和(自身を除く): 50186423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 286777, 860331, 2007439, 3728101, 6022317, 11184303, 26096707, 78290121]

約数ペア:

[(1, 78290121), (3, 26096707), (7, 11184303), (13, 6022317), (21, 3728101), (39, 2007439), (91, 860331), (273, 286777)]