199338909

素因数分解:

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

素因数の和:1647

約数の個数: 48

約数和(自身を含む): 340905600

約数和(自身を除く): 141566691

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 147, 231, 343, 363, 539, 847, 1029, 1601, 1617, 2541, 3773, 4803, 5929, 11207, 11319, 17611, 17787, 33621, 41503, 52833, 78449, 123277, 124509, 193721, 235347, 369831, 549143, 581163, 862939, 1356047, 1647429, 2588817, 4068141, 6040573, 9492329, 18121719, 28476987, 66446303, 199338909]

約数ペア:

[(1, 199338909), (3, 66446303), (7, 28476987), (11, 18121719), (21, 9492329), (33, 6040573), (49, 4068141), (77, 2588817), (121, 1647429), (147, 1356047), (231, 862939), (343, 581163), (363, 549143), (539, 369831), (847, 235347), (1029, 193721), (1601, 124509), (1617, 123277), (2541, 78449), (3773, 52833), (4803, 41503), (5929, 33621), (11207, 17787), (11319, 17611)]