28438389

素因数分解:

$3^2\times 7^1\times {\mathrm{587}}^1\times {\mathrm{769}}^1$

素因数の和:1369

約数の個数: 24

約数和(自身を含む): 47087040

約数和(自身を除く): 18648651

約数列:

[1, 3, 7, 9, 21, 63, 587, 769, 1761, 2307, 4109, 5283, 5383, 6921, 12327, 16149, 36981, 48447, 451403, 1354209, 3159821, 4062627, 9479463, 28438389]

約数ペア:

[(1, 28438389), (3, 9479463), (7, 4062627), (9, 3159821), (21, 1354209), (63, 451403), (587, 48447), (769, 36981), (1761, 16149), (2307, 12327), (4109, 6921), (5283, 5383)]