78703287

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:791

約数の個数: 32

約数和(自身を含む): 117444096

約数和(自身を除く): 38740809

約数列:

[1, 3, 13, 39, 43, 71, 129, 213, 559, 661, 923, 1677, 1983, 2769, 3053, 8593, 9159, 25779, 28423, 39689, 46931, 85269, 119067, 140793, 369499, 610103, 1108497, 1830309, 2018033, 6054099, 26234429, 78703287]

約数ペア:

[(1, 78703287), (3, 26234429), (13, 6054099), (39, 2018033), (43, 1830309), (71, 1108497), (129, 610103), (213, 369499), (559, 140793), (661, 119067), (923, 85269), (1677, 46931), (1983, 39689), (2769, 28423), (3053, 25779), (8593, 9159)]