202287141

素因数分解:

$3^2\times 7^2\times {\mathrm{458701}}^1$

素因数の和:458721

約数の個数: 18

約数和(自身を含む): 339898182

約数和(自身を除く): 137611041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 458701, 1376103, 3210907, 4128309, 9632721, 22476349, 28898163, 67429047, 202287141]

約数ペア:

[(1, 202287141), (3, 67429047), (7, 28898163), (9, 22476349), (21, 9632721), (49, 4128309), (63, 3210907), (147, 1376103), (441, 458701)]