138905163

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{328381}}^1$

素因数の和:328434

約数の個数: 12

約数和(自身を含む): 204910368

約数和(自身を除く): 66005205

約数列:

[1, 3, 9, 47, 141, 423, 328381, 985143, 2955429, 15433907, 46301721, 138905163]

約数ペア:

[(1, 138905163), (3, 46301721), (9, 15433907), (47, 2955429), (141, 985143), (423, 328381)]