28458819

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 42428672

約数和(自身を除く): 13969853

約数列:

[1, 3, 9, 43, 129, 151, 387, 453, 487, 1359, 1461, 4383, 6493, 19479, 20941, 58437, 62823, 73537, 188469, 220611, 661833, 3162091, 9486273, 28458819]

約数ペア:

[(1, 28458819), (3, 9486273), (9, 3162091), (43, 661833), (129, 220611), (151, 188469), (387, 73537), (453, 62823), (487, 58437), (1359, 20941), (1461, 19479), (4383, 6493)]