398663049

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:681

約数の個数: 32

約数和(自身を含む): 563068800

約数和(自身を除く): 164405751

約数列:

[1, 3, 37, 41, 111, 123, 251, 349, 753, 1047, 1517, 4551, 9287, 10291, 12913, 14309, 27861, 30873, 38739, 42927, 87599, 262797, 380767, 529433, 1142301, 1588299, 3241163, 3591559, 9723489, 10774677, 132887683, 398663049]

約数ペア:

[(1, 398663049), (3, 132887683), (37, 10774677), (41, 9723489), (111, 3591559), (123, 3241163), (251, 1588299), (349, 1142301), (753, 529433), (1047, 380767), (1517, 262797), (4551, 87599), (9287, 42927), (10291, 38739), (12913, 30873), (14309, 27861)]