247449657

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4177}}^1$

素因数の和:4238

約数の個数: 48

約数和(自身を含む): 426757632

約数和(自身を除く): 179307975

約数列:

[1, 3, 7, 13, 21, 31, 39, 49, 91, 93, 147, 217, 273, 403, 637, 651, 1209, 1519, 1911, 2821, 4177, 4557, 8463, 12531, 19747, 29239, 54301, 59241, 87717, 129487, 162903, 204673, 380107, 388461, 614019, 906409, 1140321, 1683331, 2660749, 2719227, 5049993, 6344863, 7982247, 11783317, 19034589, 35349951, 82483219, 247449657]

約数ペア:

[(1, 247449657), (3, 82483219), (7, 35349951), (13, 19034589), (21, 11783317), (31, 7982247), (39, 6344863), (49, 5049993), (91, 2719227), (93, 2660749), (147, 1683331), (217, 1140321), (273, 906409), (403, 614019), (637, 388461), (651, 380107), (1209, 204673), (1519, 162903), (1911, 129487), (2821, 87717), (4177, 59241), (4557, 54301), (8463, 29239), (12531, 19747)]