85247211

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{19997}}^1$

素因数の和:20043

約数の個数: 24

約数和(自身を含む): 136786320

約数和(自身を除く): 51539109

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 19997, 59991, 139979, 419937, 579913, 979853, 1739739, 2939559, 4059391, 12178173, 28415737, 85247211]

約数ペア:

[(1, 85247211), (3, 28415737), (7, 12178173), (21, 4059391), (29, 2939559), (49, 1739739), (87, 979853), (147, 579913), (203, 419937), (609, 139979), (1421, 59991), (4263, 19997)]