2790207

素因数分解:

$3^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 60

約数和(自身を含む): 5241720

約数和(自身を除く): 2451513

約数列:

[1, 3, 7, 9, 19, 21, 27, 37, 49, 57, 63, 81, 111, 133, 147, 171, 189, 259, 333, 399, 441, 513, 567, 703, 777, 931, 999, 1197, 1323, 1539, 1813, 2109, 2331, 2793, 2997, 3591, 3969, 4921, 5439, 6327, 6993, 8379, 10773, 14763, 16317, 18981, 20979, 25137, 34447, 44289, 48951, 56943, 75411, 103341, 132867, 146853, 310023, 398601, 930069, 2790207]

約数ペア:

[(1, 2790207), (3, 930069), (7, 398601), (9, 310023), (19, 146853), (21, 132867), (27, 103341), (37, 75411), (49, 56943), (57, 48951), (63, 44289), (81, 34447), (111, 25137), (133, 20979), (147, 18981), (171, 16317), (189, 14763), (259, 10773), (333, 8379), (399, 6993), (441, 6327), (513, 5439), (567, 4921), (703, 3969), (777, 3591), (931, 2997), (999, 2793), (1197, 2331), (1323, 2109), (1539, 1813)]