77940681

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{285497}}^1$

素因数の和:285520

約数の個数: 16

約数和(自身を含む): 127903104

約数和(自身を除く): 49962423

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 285497, 856491, 1998479, 3711461, 5995437, 11134383, 25980227, 77940681]

約数ペア:

[(1, 77940681), (3, 25980227), (7, 11134383), (13, 5995437), (21, 3711461), (39, 1998479), (91, 856491), (273, 285497)]