128490471

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1913}}^1$

素因数の和:2375

約数の個数: 24

約数和(自身を含む): 197065440

約数和(自身を除く): 68574969

約数列:

[1, 3, 9, 17, 51, 153, 439, 1317, 1913, 3951, 5739, 7463, 17217, 22389, 32521, 67167, 97563, 292689, 839807, 2519421, 7558263, 14276719, 42830157, 128490471]

約数ペア:

[(1, 128490471), (3, 42830157), (9, 14276719), (17, 7558263), (51, 2519421), (153, 839807), (439, 292689), (1317, 97563), (1913, 67167), (3951, 32521), (5739, 22389), (7463, 17217)]