31810311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{11821}}^1$

素因数の和:11863

約数の個数: 24

約数和(自身を含む): 51638496

約数和(自身を除く): 19828185

約数列:

[1, 3, 9, 13, 23, 39, 69, 117, 207, 299, 897, 2691, 11821, 35463, 106389, 153673, 271883, 461019, 815649, 1383057, 2446947, 3534479, 10603437, 31810311]

約数ペア:

[(1, 31810311), (3, 10603437), (9, 3534479), (13, 2446947), (23, 1383057), (39, 815649), (69, 461019), (117, 271883), (207, 153673), (299, 106389), (897, 35463), (2691, 11821)]