138480471

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1\times {\mathrm{739}}^1$

素因数の和:1235

約数の個数: 24

約数和(自身を含む): 205021440

約数和(自身を除く): 66540969

約数列:

[1, 3, 9, 47, 141, 423, 443, 739, 1329, 2217, 3987, 6651, 20821, 34733, 62463, 104199, 187389, 312597, 327377, 982131, 2946393, 15386719, 46160157, 138480471]

約数ペア:

[(1, 138480471), (3, 46160157), (9, 15386719), (47, 2946393), (141, 982131), (423, 327377), (443, 312597), (739, 187389), (1329, 104199), (2217, 62463), (3987, 34733), (6651, 20821)]