28910049

素因数分解:

$3^1\times 7^2\times {\mathrm{193}}^1\times {\mathrm{1019}}^1$

素因数の和:1229

約数の個数: 24

約数和(自身を含む): 45116640

約数和(自身を除く): 16206591

約数列:

[1, 3, 7, 21, 49, 147, 193, 579, 1019, 1351, 3057, 4053, 7133, 9457, 21399, 28371, 49931, 149793, 196667, 590001, 1376669, 4130007, 9636683, 28910049]

約数ペア:

[(1, 28910049), (3, 9636683), (7, 4130007), (21, 1376669), (49, 590001), (147, 196667), (193, 149793), (579, 49931), (1019, 28371), (1351, 21399), (3057, 9457), (4053, 7133)]