132221257

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{9337}}^1$

素因数の和:9385

約数の個数: 18

約数和(自身を含む): 163405662

約数和(自身を除く): 31184405

約数列:

[1, 7, 17, 49, 119, 289, 833, 2023, 9337, 14161, 65359, 158729, 457513, 1111103, 2698393, 7777721, 18888751, 132221257]

約数ペア:

[(1, 132221257), (7, 18888751), (17, 7777721), (49, 2698393), (119, 1111103), (289, 457513), (833, 158729), (2023, 65359), (9337, 14161)]