9681321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 14902272

約数和(自身を除く): 5220951

約数列:

[1, 3, 13, 23, 39, 43, 69, 129, 251, 299, 559, 753, 897, 989, 1677, 2967, 3263, 5773, 9789, 10793, 12857, 17319, 32379, 38571, 75049, 140309, 225147, 248239, 420927, 744717, 3227107, 9681321]

約数ペア:

[(1, 9681321), (3, 3227107), (13, 744717), (23, 420927), (39, 248239), (43, 225147), (69, 140309), (129, 75049), (251, 38571), (299, 32379), (559, 17319), (753, 12857), (897, 10793), (989, 9789), (1677, 5773), (2967, 3263)]