208720917

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47041}}^1$

素因数の和:47093

約数の個数: 24

約数和(自身を含む): 330234840

約数和(自身を除く): 121513923

約数列:

[1, 3, 9, 17, 29, 51, 87, 153, 261, 493, 1479, 4437, 47041, 141123, 423369, 799697, 1364189, 2399091, 4092567, 7197273, 12277701, 23191213, 69573639, 208720917]

約数ペア:

[(1, 208720917), (3, 69573639), (9, 23191213), (17, 12277701), (29, 7197273), (51, 4092567), (87, 2399091), (153, 1364189), (261, 799697), (493, 423369), (1479, 141123), (4437, 47041)]