71787339

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:832

約数の個数: 48

約数和(自身を含む): 120440320

約数和(自身を除く): 48652981

約数列:

[1, 3, 9, 13, 19, 39, 43, 57, 117, 129, 171, 247, 387, 559, 741, 751, 817, 1677, 2223, 2253, 2451, 5031, 6759, 7353, 9763, 10621, 14269, 29289, 31863, 32293, 42807, 87867, 95589, 96879, 128421, 185497, 290637, 419809, 556491, 613567, 1259427, 1669473, 1840701, 3778281, 5522103, 7976371, 23929113, 71787339]

約数ペア:

[(1, 71787339), (3, 23929113), (9, 7976371), (13, 5522103), (19, 3778281), (39, 1840701), (43, 1669473), (57, 1259427), (117, 613567), (129, 556491), (171, 419809), (247, 290637), (387, 185497), (559, 128421), (741, 96879), (751, 95589), (817, 87867), (1677, 42807), (2223, 32293), (2253, 31863), (2451, 29289), (5031, 14269), (6759, 10621), (7353, 9763)]