7638267

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{571}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 12812800

約数和(自身を除く): 5174533

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 343, 571, 637, 1029, 1713, 1911, 3997, 4459, 7423, 11991, 13377, 22269, 27979, 51961, 83937, 155883, 195853, 363727, 587559, 1091181, 2546089, 7638267]

約数ペア:

[(1, 7638267), (3, 2546089), (7, 1091181), (13, 587559), (21, 363727), (39, 195853), (49, 155883), (91, 83937), (147, 51961), (273, 27979), (343, 22269), (571, 13377), (637, 11991), (1029, 7423), (1713, 4459), (1911, 3997)]