38777271

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1217}}^1$

素因数の和:1295

約数の個数: 32

約数和(自身を含む): 60023040

約数和(自身を除く): 21245769

約数列:

[1, 3, 13, 19, 39, 43, 57, 129, 247, 559, 741, 817, 1217, 1677, 2451, 3651, 10621, 15821, 23123, 31863, 47463, 52331, 69369, 156993, 300599, 680303, 901797, 994289, 2040909, 2982867, 12925757, 38777271]

約数ペア:

[(1, 38777271), (3, 12925757), (13, 2982867), (19, 2040909), (39, 994289), (43, 901797), (57, 680303), (129, 300599), (247, 156993), (559, 69369), (741, 52331), (817, 47463), (1217, 31863), (1677, 23123), (2451, 15821), (3651, 10621)]