823221

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 1385280

約数和(自身を除く): 562059

約数列:

[1, 3, 7, 9, 21, 63, 73, 179, 219, 511, 537, 657, 1253, 1533, 1611, 3759, 4599, 11277, 13067, 39201, 91469, 117603, 274407, 823221]

約数ペア:

[(1, 823221), (3, 274407), (7, 117603), (9, 91469), (21, 39201), (63, 13067), (73, 11277), (179, 4599), (219, 3759), (511, 1611), (537, 1533), (657, 1253)]