28400115

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111373}}^1$

素因数の和:111398

約数の個数: 16

約数和(自身を含む): 48113568

約数和(自身を除く): 19713453

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 111373, 334119, 556865, 1670595, 1893341, 5680023, 9466705, 28400115]

約数ペア:

[(1, 28400115), (3, 9466705), (5, 5680023), (15, 1893341), (17, 1670595), (51, 556865), (85, 334119), (255, 111373)]