28992225

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{22739}}^1$

素因数の和:22769

約数の個数: 24

約数和(自身を含む): 50755680

約数和(自身を除く): 21763455

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 22739, 68217, 113695, 341085, 386563, 568475, 1159689, 1705425, 1932815, 5798445, 9664075, 28992225]

約数ペア:

[(1, 28992225), (3, 9664075), (5, 5798445), (15, 1932815), (17, 1705425), (25, 1159689), (51, 568475), (75, 386563), (85, 341085), (255, 113695), (425, 68217), (1275, 22739)]