205807725

素因数分解:

$3^2\times 5^2\times {\mathrm{914701}}^1$

素因数の和:914717

約数の個数: 18

約数和(自身を含む): 368624906

約数和(自身を除く): 162817181

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 914701, 2744103, 4573505, 8232309, 13720515, 22867525, 41161545, 68602575, 205807725]

約数ペア:

[(1, 205807725), (3, 68602575), (5, 41161545), (9, 22867525), (15, 13720515), (25, 8232309), (45, 4573505), (75, 2744103), (225, 914701)]