194476149

素因数分解:

$3^2\times 7^2\times {\mathrm{440989}}^1$

素因数の和:441009

約数の個数: 18

約数和(自身を含む): 326773590

約数和(自身を除く): 132297441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 440989, 1322967, 3086923, 3968901, 9260769, 21608461, 27782307, 64825383, 194476149]

約数ペア:

[(1, 194476149), (3, 64825383), (7, 27782307), (9, 21608461), (21, 9260769), (49, 3968901), (63, 3086923), (147, 1322967), (441, 440989)]