31813119

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2141}}^1$

素因数の和:2287

約数の個数: 24

約数和(自身を含む): 49900032

約数和(自身を除く): 18086913

約数列:

[1, 3, 9, 13, 39, 117, 127, 381, 1143, 1651, 2141, 4953, 6423, 14859, 19269, 27833, 83499, 250497, 271907, 815721, 2447163, 3534791, 10604373, 31813119]

約数ペア:

[(1, 31813119), (3, 10604373), (9, 3534791), (13, 2447163), (39, 815721), (117, 271907), (127, 250497), (381, 83499), (1143, 27833), (1651, 19269), (2141, 14859), (4953, 6423)]