209133057

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2309}}^1$

素因数の和:2565

約数の個数: 32

約数和(自身を含む): 337075200

約数和(自身を除く): 127942143

約数列:

[1, 3, 7, 19, 21, 57, 133, 227, 399, 681, 1589, 2309, 4313, 4767, 6927, 12939, 16163, 30191, 43871, 48489, 90573, 131613, 307097, 524143, 921291, 1572429, 3669001, 9958717, 11007003, 29876151, 69711019, 209133057]

約数ペア:

[(1, 209133057), (3, 69711019), (7, 29876151), (19, 11007003), (21, 9958717), (57, 3669001), (133, 1572429), (227, 921291), (399, 524143), (681, 307097), (1589, 131613), (2309, 90573), (4313, 48489), (4767, 43871), (6927, 30191), (12939, 16163)]