638163

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:163

約数の個数: 24

約数和(自身を含む): 1009008

約数和(自身を除く): 370845

約数列:

[1, 3, 9, 17, 43, 51, 97, 129, 153, 291, 387, 731, 873, 1649, 2193, 4171, 4947, 6579, 12513, 14841, 37539, 70907, 212721, 638163]

約数ペア:

[(1, 638163), (3, 212721), (9, 70907), (17, 37539), (43, 14841), (51, 12513), (97, 6579), (129, 4947), (153, 4171), (291, 2193), (387, 1649), (731, 873)]