2561001123

素因数分解:

$3^1\times {\mathrm{149}}^1\times {\mathrm{281}}^1\times {\mathrm{20389}}^1$

素因数の和:20822

約数の個数: 16

約数和(自身を含む): 3449988000

約数和(自身を除く): 888986877

約数列:

[1, 3, 149, 281, 447, 843, 20389, 41869, 61167, 125607, 3037961, 5729309, 9113883, 17187927, 853667041, 2561001123]

約数ペア:

[(1, 2561001123), (3, 853667041), (149, 17187927), (281, 9113883), (447, 5729309), (843, 3037961), (20389, 125607), (41869, 61167)]