209224863

素因数分解:

$3^4\times {\mathrm{1163}}^1\times {\mathrm{2221}}^1$

素因数の和:3396

約数の個数: 20

約数和(自身を含む): 312955368

約数和(自身を除く): 103730505

約数列:

[1, 3, 9, 27, 81, 1163, 2221, 3489, 6663, 10467, 19989, 31401, 59967, 94203, 179901, 2583023, 7749069, 23247207, 69741621, 209224863]

約数ペア:

[(1, 209224863), (3, 69741621), (9, 23247207), (27, 7749069), (81, 2583023), (1163, 179901), (2221, 94203), (3489, 59967), (6663, 31401), (10467, 19989)]