208804725

素因数分解:

$3^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{2269}}^1$

素因数の和:2694

約数の個数: 36

約数和(自身を含む): 375072100

約数和(自身を除く): 166267375

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 409, 1227, 2045, 2269, 3681, 6135, 6807, 10225, 11345, 18405, 20421, 30675, 34035, 56725, 92025, 102105, 170175, 510525, 928021, 2784063, 4640105, 8352189, 13920315, 23200525, 41760945, 69601575, 208804725]

約数ペア:

[(1, 208804725), (3, 69601575), (5, 41760945), (9, 23200525), (15, 13920315), (25, 8352189), (45, 4640105), (75, 2784063), (225, 928021), (409, 510525), (1227, 170175), (2045, 102105), (2269, 92025), (3681, 56725), (6135, 34035), (6807, 30675), (10225, 20421), (11345, 18405)]