81489282

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1940221}}^1$

素因数の和:1940233

約数の個数: 16

約数和(自身を含む): 186261312

約数和(自身を除く): 104772030

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1940221, 3880442, 5820663, 11641326, 13581547, 27163094, 40744641, 81489282]

約数ペア:

[(1, 81489282), (2, 40744641), (3, 27163094), (6, 13581547), (7, 11641326), (14, 5820663), (21, 3880442), (42, 1940221)]