2168991

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:196

約数の個数: 32

約数和(自身を含む): 3590400

約数和(自身を除く): 1421409

約数列:

[1, 3, 9, 11, 27, 33, 67, 99, 109, 201, 297, 327, 603, 737, 981, 1199, 1809, 2211, 2943, 3597, 6633, 7303, 10791, 19899, 21909, 32373, 65727, 80333, 197181, 240999, 722997, 2168991]

約数ペア:

[(1, 2168991), (3, 722997), (9, 240999), (11, 197181), (27, 80333), (33, 65727), (67, 32373), (99, 21909), (109, 19899), (201, 10791), (297, 7303), (327, 6633), (603, 3597), (737, 2943), (981, 2211), (1199, 1809)]