2181036011

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{1019}}^1$

素因数の和:1093

約数の個数: 54

約数和(自身を含む): 2946128220

約数和(自身を除く): 765092209

約数列:

[1, 7, 11, 19, 49, 77, 121, 133, 209, 361, 539, 847, 931, 1019, 1463, 2299, 2527, 3971, 5929, 7133, 10241, 11209, 16093, 17689, 19361, 27797, 43681, 49931, 78463, 112651, 123299, 135527, 194579, 212971, 305767, 367859, 549241, 863093, 948689, 1490797, 2140369, 2342681, 2575013, 4046449, 6041651, 10435579, 16398767, 18025091, 28325143, 44510939, 114791369, 198276001, 311576573, 2181036011]

約数ペア:

[(1, 2181036011), (7, 311576573), (11, 198276001), (19, 114791369), (49, 44510939), (77, 28325143), (121, 18025091), (133, 16398767), (209, 10435579), (361, 6041651), (539, 4046449), (847, 2575013), (931, 2342681), (1019, 2140369), (1463, 1490797), (2299, 948689), (2527, 863093), (3971, 549241), (5929, 367859), (7133, 305767), (10241, 212971), (11209, 194579), (16093, 135527), (17689, 123299), (19361, 112651), (27797, 78463), (43681, 49931)]