289269063

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{87103}}^1$

素因数の和:87156

約数の個数: 20

約数和(自身を含む): 442662528

約数和(自身を除く): 153393465

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 87103, 261309, 783927, 2351781, 3571223, 7055343, 10713669, 32141007, 96423021, 289269063]

約数ペア:

[(1, 289269063), (3, 96423021), (9, 32141007), (27, 10713669), (41, 7055343), (81, 3571223), (123, 2351781), (369, 783927), (1107, 261309), (3321, 87103)]