31397571

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{593}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 48755520

約数和(自身を除く): 17357949

約数列:

[1, 3, 9, 27, 37, 53, 111, 159, 333, 477, 593, 999, 1431, 1779, 1961, 5337, 5883, 16011, 17649, 21941, 31429, 52947, 65823, 94287, 197469, 282861, 592407, 848583, 1162873, 3488619, 10465857, 31397571]

約数ペア:

[(1, 31397571), (3, 10465857), (9, 3488619), (27, 1162873), (37, 848583), (53, 592407), (111, 282861), (159, 197469), (333, 94287), (477, 65823), (593, 52947), (999, 31429), (1431, 21941), (1779, 17649), (1961, 16011), (5337, 5883)]