205121154

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{697691}}^1$

素因数の和:697710

約数の個数: 24

約数和(自身を含む): 477221328

約数和(自身を除く): 272100174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 697691, 1395382, 2093073, 4186146, 4883837, 9767674, 14651511, 29303022, 34186859, 68373718, 102560577, 205121154]

約数ペア:

[(1, 205121154), (2, 102560577), (3, 68373718), (6, 34186859), (7, 29303022), (14, 14651511), (21, 9767674), (42, 4883837), (49, 4186146), (98, 2093073), (147, 1395382), (294, 697691)]