2225727

素因数分解:

$3^2\times 7^4\times {\mathrm{103}}^1$

素因数の和:137

約数の個数: 30

約数和(自身を含む): 3786952

約数和(自身を除く): 1561225

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 343, 441, 721, 927, 1029, 2163, 2401, 3087, 5047, 6489, 7203, 15141, 21609, 35329, 45423, 105987, 247303, 317961, 741909, 2225727]

約数ペア:

[(1, 2225727), (3, 741909), (7, 317961), (9, 247303), (21, 105987), (49, 45423), (63, 35329), (103, 21609), (147, 15141), (309, 7203), (343, 6489), (441, 5047), (721, 3087), (927, 2401), (1029, 2163)]