31571073

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{383}}^1$

素因数の和:506

約数の個数: 32

約数和(自身を含む): 48660480

約数和(自身を除く): 17089407

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 383, 387, 639, 1149, 1161, 1917, 3053, 3447, 9159, 10341, 16469, 27193, 27477, 49407, 81579, 82431, 148221, 244737, 444663, 734211, 1169299, 3507897, 10523691, 31571073]

約数ペア:

[(1, 31571073), (3, 10523691), (9, 3507897), (27, 1169299), (43, 734211), (71, 444663), (129, 244737), (213, 148221), (383, 82431), (387, 81579), (639, 49407), (1149, 27477), (1161, 27193), (1917, 16469), (3053, 10341), (3447, 9159)]