17801271

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{5479}}^1$

素因数の和:5523

約数の個数: 18

約数和(自身を含む): 27142440

約数和(自身を除く): 9341169

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 5479, 16437, 49311, 104101, 312303, 936909, 1977919, 5933757, 17801271]

約数ペア:

[(1, 17801271), (3, 5933757), (9, 1977919), (19, 936909), (57, 312303), (171, 104101), (361, 49311), (1083, 16437), (3249, 5479)]