28724379

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{1487}}^1$

素因数の和:1674

約数の個数: 16

約数和(自身を含む): 39426048

約数和(自身を除く): 10701669

約数列:

[1, 3, 47, 137, 141, 411, 1487, 4461, 6439, 19317, 69889, 203719, 209667, 611157, 9574793, 28724379]

約数ペア:

[(1, 28724379), (3, 9574793), (47, 611157), (137, 209667), (141, 203719), (411, 69889), (1487, 19317), (4461, 6439)]