204915123

素因数分解:

$3^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{2731}}^1$

素因数の和:3144

約数の個数: 32

約数和(自身を含む): 347947520

約数和(自身を除く): 143032397

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 397, 1191, 2731, 2779, 3573, 8193, 8337, 10719, 19117, 24579, 25011, 57351, 73737, 75033, 172053, 516159, 1084207, 3252621, 7589449, 9757863, 22768347, 29273589, 68305041, 204915123]

約数ペア:

[(1, 204915123), (3, 68305041), (7, 29273589), (9, 22768347), (21, 9757863), (27, 7589449), (63, 3252621), (189, 1084207), (397, 516159), (1191, 172053), (2731, 75033), (2779, 73737), (3573, 57351), (8193, 25011), (8337, 24579), (10719, 19117)]