388619985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1031}}^1\times {\mathrm{1933}}^1$

素因数の和:2985

約数の個数: 32

約数和(自身を含む): 670618368

約数和(自身を除く): 281998383

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1031, 1933, 3093, 5155, 5799, 9665, 13403, 15465, 25129, 28995, 40209, 67015, 75387, 125645, 201045, 376935, 1992923, 5978769, 9964615, 25907999, 29893845, 77723997, 129539995, 388619985]

約数ペア:

[(1, 388619985), (3, 129539995), (5, 77723997), (13, 29893845), (15, 25907999), (39, 9964615), (65, 5978769), (195, 1992923), (1031, 376935), (1933, 201045), (3093, 125645), (5155, 75387), (5799, 67015), (9665, 40209), (13403, 28995), (15465, 25129)]