202990131

素因数分解:

$3^4\times {\mathrm{443}}^1\times {\mathrm{5657}}^1$

素因数の和:6112

約数の個数: 20

約数和(自身を含む): 303970392

約数和(自身を除く): 100980261

約数列:

[1, 3, 9, 27, 81, 443, 1329, 3987, 5657, 11961, 16971, 35883, 50913, 152739, 458217, 2506051, 7518153, 22554459, 67663377, 202990131]

約数ペア:

[(1, 202990131), (3, 67663377), (9, 22554459), (27, 7518153), (81, 2506051), (443, 458217), (1329, 152739), (3987, 50913), (5657, 35883), (11961, 16971)]