128568909

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4339}}^1$

素因数の和:4449

約数の個数: 32

約数和(自身を含む): 209986560

約数和(自身を除く): 81417651

約数列:

[1, 3, 7, 17, 21, 51, 83, 119, 249, 357, 581, 1411, 1743, 4233, 4339, 9877, 13017, 29631, 30373, 73763, 91119, 221289, 360137, 516341, 1080411, 1549023, 2520959, 6122329, 7562877, 18366987, 42856303, 128568909]

約数ペア:

[(1, 128568909), (3, 42856303), (7, 18366987), (17, 7562877), (21, 6122329), (51, 2520959), (83, 1549023), (119, 1080411), (249, 516341), (357, 360137), (581, 221289), (1411, 91119), (1743, 73763), (4233, 30373), (4339, 29631), (9877, 13017)]