28306719

素因数分解:

$3^3\times 7^1\times {\mathrm{149771}}^1$

素因数の和:149787

約数の個数: 16

約数和(自身を含む): 47927040

約数和(自身を除く): 19620321

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 149771, 449313, 1048397, 1347939, 3145191, 4043817, 9435573, 28306719]

約数ペア:

[(1, 28306719), (3, 9435573), (7, 4043817), (9, 3145191), (21, 1347939), (27, 1048397), (63, 449313), (189, 149771)]