18575649

素因数分解:

$3^6\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:408

約数の個数: 28

約数和(自身を含む): 28278096

約数和(自身を除く): 9702447

約数列:

[1, 3, 9, 27, 81, 83, 243, 249, 307, 729, 747, 921, 2241, 2763, 6723, 8289, 20169, 24867, 25481, 60507, 74601, 76443, 223803, 229329, 687987, 2063961, 6191883, 18575649]

約数ペア:

[(1, 18575649), (3, 6191883), (9, 2063961), (27, 687987), (81, 229329), (83, 223803), (243, 76443), (249, 74601), (307, 60507), (729, 25481), (747, 24867), (921, 20169), (2241, 8289), (2763, 6723)]