28101945

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{17509}}^1$

素因数の和:17624

約数の個数: 16

約数和(自身を含む): 45385920

約数和(自身を除く): 17283975

約数列:

[1, 3, 5, 15, 107, 321, 535, 1605, 17509, 52527, 87545, 262635, 1873463, 5620389, 9367315, 28101945]

約数ペア:

[(1, 28101945), (3, 9367315), (5, 5620389), (15, 1873463), (107, 262635), (321, 87545), (535, 52527), (1605, 17509)]