81271974

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1935047}}^1$

素因数の和:1935059

約数の個数: 16

約数和(自身を含む): 185764608

約数和(自身を除く): 104492634

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1935047, 3870094, 5805141, 11610282, 13545329, 27090658, 40635987, 81271974]

約数ペア:

[(1, 81271974), (2, 40635987), (3, 27090658), (6, 13545329), (7, 11610282), (14, 5805141), (21, 3870094), (42, 1935047)]