56530251

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 93772800

約数和(自身を除く): 37242549

約数列:

[1, 3, 9, 23, 27, 29, 43, 69, 73, 87, 129, 207, 219, 261, 387, 621, 657, 667, 783, 989, 1161, 1247, 1679, 1971, 2001, 2117, 2967, 3139, 3741, 5037, 6003, 6351, 8901, 9417, 11223, 15111, 18009, 19053, 26703, 28251, 28681, 33669, 45333, 48691, 57159, 72197, 84753, 86043, 91031, 146073, 216591, 258129, 273093, 438219, 649773, 774387, 819279, 1314657, 1949319, 2093713, 2457837, 6281139, 18843417, 56530251]

約数ペア:

[(1, 56530251), (3, 18843417), (9, 6281139), (23, 2457837), (27, 2093713), (29, 1949319), (43, 1314657), (69, 819279), (73, 774387), (87, 649773), (129, 438219), (207, 273093), (219, 258129), (261, 216591), (387, 146073), (621, 91031), (657, 86043), (667, 84753), (783, 72197), (989, 57159), (1161, 48691), (1247, 45333), (1679, 33669), (1971, 28681), (2001, 28251), (2117, 26703), (2967, 19053), (3139, 18009), (3741, 15111), (5037, 11223), (6003, 9417), (6351, 8901)]