205177581

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{112303}}^1$

素因数の和:112345

約数の個数: 24

約数和(自身を含む): 350388480

約数和(自身を除く): 145210899

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 112303, 336909, 786121, 1010727, 2358363, 3256787, 7075089, 9770361, 22797509, 29311083, 68392527, 205177581]

約数ペア:

[(1, 205177581), (3, 68392527), (7, 29311083), (9, 22797509), (21, 9770361), (29, 7075089), (63, 3256787), (87, 2358363), (203, 1010727), (261, 786121), (609, 336909), (1827, 112303)]