210055221

素因数分解:

$3^3\times {\mathrm{449}}^1\times {\mathrm{17327}}^1$

素因数の和:17785

約数の個数: 16

約数和(自身を含む): 311904000

約数和(自身を除く): 101848779

約数列:

[1, 3, 9, 27, 449, 1347, 4041, 12123, 17327, 51981, 155943, 467829, 7779823, 23339469, 70018407, 210055221]

約数ペア:

[(1, 210055221), (3, 70018407), (9, 23339469), (27, 7779823), (449, 467829), (1347, 155943), (4041, 51981), (12123, 17327)]