23921391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 35707392

約数和(自身を除く): 11786001

約数列:

[1, 3, 13, 39, 53, 71, 159, 163, 213, 489, 689, 923, 2067, 2119, 2769, 3763, 6357, 8639, 11289, 11573, 25917, 34719, 48919, 112307, 146757, 150449, 336921, 451347, 613369, 1840107, 7973797, 23921391]

約数ペア:

[(1, 23921391), (3, 7973797), (13, 1840107), (39, 613369), (53, 451347), (71, 336921), (159, 150449), (163, 146757), (213, 112307), (489, 48919), (689, 34719), (923, 25917), (2067, 11573), (2119, 11289), (2769, 8639), (3763, 6357)]