51781707

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{523}}^1$

素因数の和:744

約数の個数: 32

約数和(自身を含む): 81324800

約数和(自身を除く): 29543093

約数列:

[1, 3, 9, 19, 27, 57, 171, 193, 513, 523, 579, 1569, 1737, 3667, 4707, 5211, 9937, 11001, 14121, 29811, 33003, 89433, 99009, 100939, 268299, 302817, 908451, 1917841, 2725353, 5753523, 17260569, 51781707]

約数ペア:

[(1, 51781707), (3, 17260569), (9, 5753523), (19, 2725353), (27, 1917841), (57, 908451), (171, 302817), (193, 268299), (513, 100939), (523, 99009), (579, 89433), (1569, 33003), (1737, 29811), (3667, 14121), (4707, 11001), (5211, 9937)]