2129787

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:192

約数の個数: 32

約数和(自身を含む): 3525120

約数和(自身を除く): 1395333

約数列:

[1, 3, 9, 11, 27, 33, 71, 99, 101, 213, 297, 303, 639, 781, 909, 1111, 1917, 2343, 2727, 3333, 7029, 7171, 9999, 21087, 21513, 29997, 64539, 78881, 193617, 236643, 709929, 2129787]

約数ペア:

[(1, 2129787), (3, 709929), (9, 236643), (11, 193617), (27, 78881), (33, 64539), (71, 29997), (99, 21513), (101, 21087), (213, 9999), (297, 7171), (303, 7029), (639, 3333), (781, 2727), (909, 2343), (1111, 1917)]