31297851

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6221}}^1$

素因数の和:6283

約数の個数: 24

約数和(自身を含む): 49825776

約数和(自身を除く): 18527925

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 6221, 18663, 55989, 80873, 242619, 267503, 727857, 802509, 2407527, 3477539, 10432617, 31297851]

約数ペア:

[(1, 31297851), (3, 10432617), (9, 3477539), (13, 2407527), (39, 802509), (43, 727857), (117, 267503), (129, 242619), (387, 80873), (559, 55989), (1677, 18663), (5031, 6221)]