20198493693

素因数分解:

$3^3\times 7^2\times {\mathrm{15267191}}^1$

素因数の和:15267214

約数の個数: 24

約数和(自身を含む): 34809197760

約数和(自身を除く): 14610704067

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 15267191, 45801573, 106870337, 137404719, 320611011, 412214157, 748092359, 961833033, 2244277077, 2885499099, 6732831231, 20198493693]

約数ペア:

[(1, 20198493693), (3, 6732831231), (7, 2885499099), (9, 2244277077), (21, 961833033), (27, 748092359), (49, 412214157), (63, 320611011), (147, 137404719), (189, 106870337), (441, 45801573), (1323, 15267191)]