51731991

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{3011}}^1$

素因数の和:3123

約数の個数: 24

約数和(自身を含む): 78938496

約数和(自身を除く): 27206505

約数列:

[1, 3, 9, 23, 69, 83, 207, 249, 747, 1909, 3011, 5727, 9033, 17181, 27099, 69253, 207759, 249913, 623277, 749739, 2249217, 5747999, 17243997, 51731991]

約数ペア:

[(1, 51731991), (3, 17243997), (9, 5747999), (23, 2249217), (69, 749739), (83, 623277), (207, 249913), (249, 207759), (747, 69253), (1909, 27099), (3011, 17181), (5727, 9033)]