204441489

素因数分解:

$3^6\times 7^1\times {\mathrm{40063}}^1$

素因数の和:40088

約数の個数: 28

約数和(自身を含む): 350319616

約数和(自身を除く): 145878127

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 40063, 120189, 280441, 360567, 841323, 1081701, 2523969, 3245103, 7571907, 9735309, 22715721, 29205927, 68147163, 204441489]

約数ペア:

[(1, 204441489), (3, 68147163), (7, 29205927), (9, 22715721), (21, 9735309), (27, 7571907), (63, 3245103), (81, 2523969), (189, 1081701), (243, 841323), (567, 360567), (729, 280441), (1701, 120189), (5103, 40063)]