398408073

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{1217}}^1$

素因数の和:1382

約数の個数: 48

約数和(自身を含む): 659824704

約数和(自身を除く): 261416631

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 131, 147, 357, 393, 833, 917, 1217, 2227, 2499, 2751, 3651, 6419, 6681, 8519, 15589, 19257, 20689, 25557, 46767, 59633, 62067, 109123, 144823, 159427, 178899, 327369, 434469, 478281, 1013761, 1115989, 2710259, 3041283, 3347967, 7811923, 8130777, 18971813, 23435769, 56915439, 132802691, 398408073]

約数ペア:

[(1, 398408073), (3, 132802691), (7, 56915439), (17, 23435769), (21, 18971813), (49, 8130777), (51, 7811923), (119, 3347967), (131, 3041283), (147, 2710259), (357, 1115989), (393, 1013761), (833, 478281), (917, 434469), (1217, 327369), (2227, 178899), (2499, 159427), (2751, 144823), (3651, 109123), (6419, 62067), (6681, 59633), (8519, 46767), (15589, 25557), (19257, 20689)]