28498905

素因数分解:

$3^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{557}}^1$

素因数の和:950

約数の個数: 32

約数和(自身を含む): 50889600

約数和(自身を除く): 22390695

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 379, 557, 1137, 1671, 1895, 2785, 3411, 5013, 5685, 8355, 10233, 15039, 17055, 25065, 51165, 75195, 211103, 633309, 1055515, 1899927, 3166545, 5699781, 9499635, 28498905]

約数ペア:

[(1, 28498905), (3, 9499635), (5, 5699781), (9, 3166545), (15, 1899927), (27, 1055515), (45, 633309), (135, 211103), (379, 75195), (557, 51165), (1137, 25065), (1671, 17055), (1895, 15039), (2785, 10233), (3411, 8355), (5013, 5685)]