28820295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{91493}}^1$

素因数の和:91511

約数の個数: 24

約数和(自身を含む): 57092256

約数和(自身を除く): 28271961

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 91493, 274479, 457465, 640451, 823437, 1372395, 1921353, 3202255, 4117185, 5764059, 9606765, 28820295]

約数ペア:

[(1, 28820295), (3, 9606765), (5, 5764059), (7, 4117185), (9, 3202255), (15, 1921353), (21, 1372395), (35, 823437), (45, 640451), (63, 457465), (105, 274479), (315, 91493)]