31013019

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{631}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 46272512

約数和(自身を除く): 15259493

約数列:

[1, 3, 9, 43, 127, 129, 381, 387, 631, 1143, 1893, 5461, 5679, 16383, 27133, 49149, 80137, 81399, 240411, 244197, 721233, 3445891, 10337673, 31013019]

約数ペア:

[(1, 31013019), (3, 10337673), (9, 3445891), (43, 721233), (127, 244197), (129, 240411), (381, 81399), (387, 80137), (631, 49149), (1143, 27133), (1893, 16383), (5461, 5679)]