51971301

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{1429}}^1$

素因数の和:1890

約数の個数: 20

約数和(自身を含む): 77863500

約数和(自身を除く): 25892199

約数列:

[1, 3, 9, 27, 81, 449, 1347, 1429, 4041, 4287, 12123, 12861, 36369, 38583, 115749, 641621, 1924863, 5774589, 17323767, 51971301]

約数ペア:

[(1, 51971301), (3, 17323767), (9, 5774589), (27, 1924863), (81, 641621), (449, 115749), (1347, 38583), (1429, 36369), (4041, 12861), (4287, 12123)]