20803583997

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2559811}}^1$

素因数の和:2559870

約数の個数: 32

約数和(自身を含む): 36042152960

約数和(自身を除く): 15238568963

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 8127, 2559811, 7679433, 17918677, 23038299, 53756031, 69114897, 110071873, 161268093, 330215619, 483804279, 770503111, 990646857, 2311509333, 2971940571, 6934527999, 20803583997]

約数ペア:

[(1, 20803583997), (3, 6934527999), (7, 2971940571), (9, 2311509333), (21, 990646857), (27, 770503111), (43, 483804279), (63, 330215619), (129, 161268093), (189, 110071873), (301, 69114897), (387, 53756031), (903, 23038299), (1161, 17918677), (2709, 7679433), (8127, 2559811)]