648745551

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{17891}}^1$

素因数の和:17996

約数の個数: 32

約数和(自身を含む): 1030579200

約数和(自身を除く): 381833649

約数列:

[1, 3, 9, 17, 27, 51, 79, 153, 237, 459, 711, 1343, 2133, 4029, 12087, 17891, 36261, 53673, 161019, 304147, 483057, 912441, 1413389, 2737323, 4240167, 8211969, 12720501, 24027613, 38161503, 72082839, 216248517, 648745551]

約数ペア:

[(1, 648745551), (3, 216248517), (9, 72082839), (17, 38161503), (27, 24027613), (51, 12720501), (79, 8211969), (153, 4240167), (237, 2737323), (459, 1413389), (711, 912441), (1343, 483057), (2133, 304147), (4029, 161019), (12087, 53673), (17891, 36261)]