201613617

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{487}}^1$

素因数の和:787

約数の個数: 40

約数和(自身を含む): 318859200

約数和(自身を除く): 117245583

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 269, 487, 513, 807, 1461, 1539, 2421, 4383, 5111, 7263, 9253, 13149, 15333, 21789, 27759, 39447, 45999, 83277, 131003, 137997, 249831, 393009, 413991, 749493, 1179027, 2489057, 3537081, 7467171, 10611243, 22401513, 67204539, 201613617]

約数ペア:

[(1, 201613617), (3, 67204539), (9, 22401513), (19, 10611243), (27, 7467171), (57, 3537081), (81, 2489057), (171, 1179027), (269, 749493), (487, 413991), (513, 393009), (807, 249831), (1461, 137997), (1539, 131003), (2421, 83277), (4383, 45999), (5111, 39447), (7263, 27759), (9253, 21789), (13149, 15333)]