254286837

素因数分解:

$3^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{3389}}^1$

素因数の和:3802

約数の個数: 32

約数和(自身を含む): 431750400

約数和(自身を除く): 177463563

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 397, 1191, 2779, 3389, 3573, 8337, 10167, 10719, 23723, 25011, 30501, 71169, 75033, 91503, 213507, 640521, 1345433, 4036299, 9418031, 12108897, 28254093, 36326691, 84762279, 254286837]

約数ペア:

[(1, 254286837), (3, 84762279), (7, 36326691), (9, 28254093), (21, 12108897), (27, 9418031), (63, 4036299), (189, 1345433), (397, 640521), (1191, 213507), (2779, 91503), (3389, 75033), (3573, 71169), (8337, 30501), (10167, 25011), (10719, 23723)]