28378005

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17681}}^1$

素因数の和:17796

約数の個数: 16

約数和(自身を含む): 45831744

約数和(自身を除く): 17453739

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 17681, 53043, 88405, 265215, 1891867, 5675601, 9459335, 28378005]

約数ペア:

[(1, 28378005), (3, 9459335), (5, 5675601), (15, 1891867), (107, 265215), (321, 88405), (535, 53043), (1605, 17681)]