644682339

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1433}}^1$

素因数の和:1676

約数の個数: 48

約数和(自身を含む): 1099430592

約数和(自身を除く): 454748253

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 193, 259, 333, 579, 777, 1351, 1433, 1737, 2331, 4053, 4299, 7141, 10031, 12159, 12897, 21423, 30093, 49987, 53021, 64269, 90279, 149961, 159063, 276569, 371147, 449883, 477189, 829707, 1113441, 1935983, 2489121, 3340323, 5807949, 10233053, 17423847, 30699159, 71631371, 92097477, 214894113, 644682339]

約数ペア:

[(1, 644682339), (3, 214894113), (7, 92097477), (9, 71631371), (21, 30699159), (37, 17423847), (63, 10233053), (111, 5807949), (193, 3340323), (259, 2489121), (333, 1935983), (579, 1113441), (777, 829707), (1351, 477189), (1433, 449883), (1737, 371147), (2331, 276569), (4053, 159063), (4299, 149961), (7141, 90279), (10031, 64269), (12159, 53021), (12897, 49987), (21423, 30093)]