201105765

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{638431}}^1$

素因数の和:638449

約数の個数: 24

約数和(自身を含む): 398381568

約数和(自身を除く): 197275803

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 638431, 1915293, 3192155, 4469017, 5745879, 9576465, 13407051, 22345085, 28729395, 40221153, 67035255, 201105765]

約数ペア:

[(1, 201105765), (3, 67035255), (5, 40221153), (7, 28729395), (9, 22345085), (15, 13407051), (21, 9576465), (35, 5745879), (45, 4469017), (63, 3192155), (105, 1915293), (315, 638431)]