128311359

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{521}}^1$

素因数の和:991

約数の個数: 32

約数和(自身を含む): 198443520

約数和(自身を除く): 70132161

約数列:

[1, 3, 11, 17, 33, 51, 187, 439, 521, 561, 1317, 1563, 4829, 5731, 7463, 8857, 14487, 17193, 22389, 26571, 82093, 97427, 228719, 246279, 292281, 686157, 2515909, 3888223, 7547727, 11664669, 42770453, 128311359]

約数ペア:

[(1, 128311359), (3, 42770453), (11, 11664669), (17, 7547727), (33, 3888223), (51, 2515909), (187, 686157), (439, 292281), (521, 246279), (561, 228719), (1317, 97427), (1563, 82093), (4829, 26571), (5731, 22389), (7463, 17193), (8857, 14487)]