31785471

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3643

約数の個数: 24

約数和(自身を含む): 49036416

約数和(自身を除く): 17250945

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 989, 2967, 3571, 8901, 10713, 32139, 82133, 153553, 246399, 460659, 739197, 1381977, 3531719, 10595157, 31785471]

約数ペア:

[(1, 31785471), (3, 10595157), (9, 3531719), (23, 1381977), (43, 739197), (69, 460659), (129, 246399), (207, 153553), (387, 82133), (989, 32139), (2967, 10713), (3571, 8901)]