31420233

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15797}}^1$

素因数の和:15833

約数の個数: 24

約数和(自身を含む): 51754248

約数和(自身を除く): 20334015

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15797, 47391, 142173, 205361, 268549, 616083, 805647, 1848249, 2416941, 3491137, 10473411, 31420233]

約数ペア:

[(1, 31420233), (3, 10473411), (9, 3491137), (13, 2416941), (17, 1848249), (39, 805647), (51, 616083), (117, 268549), (153, 205361), (221, 142173), (663, 47391), (1989, 15797)]