28476987

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1601}}^1$

素因数の和:1640

約数の個数: 36

約数和(自身を含む): 48579048

約数和(自身を除く): 20102061

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 363, 539, 847, 1601, 1617, 2541, 4803, 5929, 11207, 17611, 17787, 33621, 52833, 78449, 123277, 193721, 235347, 369831, 581163, 862939, 1356047, 2588817, 4068141, 9492329, 28476987]

約数ペア:

[(1, 28476987), (3, 9492329), (7, 4068141), (11, 2588817), (21, 1356047), (33, 862939), (49, 581163), (77, 369831), (121, 235347), (147, 193721), (231, 123277), (363, 78449), (539, 52833), (847, 33621), (1601, 17787), (1617, 17611), (2541, 11207), (4803, 5929)]