618999939

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{4591}}^1$

素因数の和:4879

約数の個数: 24

約数和(自身を含む): 911199744

約数和(自身を除く): 292199805

約数列:

[1, 3, 9, 71, 211, 213, 633, 639, 1899, 4591, 13773, 14981, 41319, 44943, 134829, 325961, 968701, 977883, 2906103, 2933649, 8718309, 68777771, 206333313, 618999939]

約数ペア:

[(1, 618999939), (3, 206333313), (9, 68777771), (71, 8718309), (211, 2933649), (213, 2906103), (633, 977883), (639, 968701), (1899, 325961), (4591, 134829), (13773, 44943), (14981, 41319)]