220051971

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{4073}}^1$

素因数の和:4137

約数の個数: 40

約数和(自身を含む): 354926880

約数和(自身を除く): 134874909

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 621, 667, 783, 1863, 2001, 2349, 4073, 6003, 12219, 18009, 36657, 54027, 93679, 109971, 118117, 281037, 329913, 354351, 843111, 1063053, 2529333, 2716691, 3189159, 7587999, 8150073, 9567477, 24450219, 73350657, 220051971]

約数ペア:

[(1, 220051971), (3, 73350657), (9, 24450219), (23, 9567477), (27, 8150073), (29, 7587999), (69, 3189159), (81, 2716691), (87, 2529333), (207, 1063053), (261, 843111), (621, 354351), (667, 329913), (783, 281037), (1863, 118117), (2001, 109971), (2349, 93679), (4073, 54027), (6003, 36657), (12219, 18009)]