2813943

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1201}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 4154112

約数和(自身を除く): 1340169

約数列:

[1, 3, 11, 33, 71, 213, 781, 1201, 2343, 3603, 13211, 39633, 85271, 255813, 937981, 2813943]

約数ペア:

[(1, 2813943), (3, 937981), (11, 255813), (33, 85271), (71, 39633), (213, 13211), (781, 3603), (1201, 2343)]