81379017

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{18341}}^1$

素因数の和:18393

約数の個数: 24

約数和(自身を含む): 128760840

約数和(自身を除く): 47381823

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 18341, 55023, 165069, 311797, 531889, 935391, 1595667, 2806173, 4787001, 9042113, 27126339, 81379017]

約数ペア:

[(1, 81379017), (3, 27126339), (9, 9042113), (17, 4787001), (29, 2806173), (51, 1595667), (87, 935391), (153, 531889), (261, 311797), (493, 165069), (1479, 55023), (4437, 18341)]