12811965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1069}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 22187520

約数和(自身を除く): 9375555

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 141, 235, 255, 705, 799, 1069, 2397, 3207, 3995, 5345, 11985, 16035, 18173, 50243, 54519, 90865, 150729, 251215, 272595, 753645, 854131, 2562393, 4270655, 12811965]

約数ペア:

[(1, 12811965), (3, 4270655), (5, 2562393), (15, 854131), (17, 753645), (47, 272595), (51, 251215), (85, 150729), (141, 90865), (235, 54519), (255, 50243), (705, 18173), (799, 16035), (1069, 11985), (2397, 5345), (3207, 3995)]