79778889

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{977}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 118596192

約数和(自身を除く): 38817303

約数列:

[1, 3, 9, 43, 129, 211, 387, 633, 977, 1899, 2931, 8793, 9073, 27219, 42011, 81657, 126033, 206147, 378099, 618441, 1855323, 8864321, 26592963, 79778889]

約数ペア:

[(1, 79778889), (3, 26592963), (9, 8864321), (43, 1855323), (129, 618441), (211, 378099), (387, 206147), (633, 126033), (977, 81657), (1899, 42011), (2931, 27219), (8793, 9073)]