66554271

素因数分解:

$3^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{887}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 113095680

約数和(自身を除く): 46541409

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 397, 887, 1191, 2661, 2779, 3573, 6209, 7983, 8337, 10719, 18627, 23949, 25011, 55881, 75033, 167643, 352139, 1056417, 2464973, 3169251, 7394919, 9507753, 22184757, 66554271]

約数ペア:

[(1, 66554271), (3, 22184757), (7, 9507753), (9, 7394919), (21, 3169251), (27, 2464973), (63, 1056417), (189, 352139), (397, 167643), (887, 75033), (1191, 55881), (2661, 25011), (2779, 23949), (3573, 18627), (6209, 10719), (7983, 8337)]