81251748

素因数分解:

$2^2\times 3^4\times {\mathrm{250777}}^1$

素因数の和:250793

約数の個数: 30

約数和(自身を含む): 212408966

約数和(自身を除く): 131157218

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 250777, 501554, 752331, 1003108, 1504662, 2256993, 3009324, 4513986, 6770979, 9027972, 13541958, 20312937, 27083916, 40625874, 81251748]

約数ペア:

[(1, 81251748), (2, 40625874), (3, 27083916), (4, 20312937), (6, 13541958), (9, 9027972), (12, 6770979), (18, 4513986), (27, 3009324), (36, 2256993), (54, 1504662), (81, 1003108), (108, 752331), (162, 501554), (324, 250777)]