387636489

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{263}}^1\times {\mathrm{691}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 584601600

約数和(自身を除く): 196965111

約数列:

[1, 3, 9, 27, 79, 237, 263, 691, 711, 789, 2073, 2133, 2367, 6219, 7101, 18657, 20777, 54589, 62331, 163767, 181733, 186993, 491301, 545199, 560979, 1473903, 1635597, 4906791, 14356907, 43070721, 129212163, 387636489]

約数ペア:

[(1, 387636489), (3, 129212163), (9, 43070721), (27, 14356907), (79, 4906791), (237, 1635597), (263, 1473903), (691, 560979), (711, 545199), (789, 491301), (2073, 186993), (2133, 181733), (2367, 163767), (6219, 62331), (7101, 54589), (18657, 20777)]