206519325

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{64037}}^1$

素因数の和:64093

約数の個数: 24

約数和(自身を含む): 349391328

約数和(自身を除く): 142872003

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 215, 645, 1075, 3225, 64037, 192111, 320185, 960555, 1600925, 2753591, 4802775, 8260773, 13767955, 41303865, 68839775, 206519325]

約数ペア:

[(1, 206519325), (3, 68839775), (5, 41303865), (15, 13767955), (25, 8260773), (43, 4802775), (75, 2753591), (129, 1600925), (215, 960555), (645, 320185), (1075, 192111), (3225, 64037)]