81238311

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{10657}}^1$

素因数の和:10692

約数の個数: 36

約数和(自身を含む): 147421456

約数和(自身を除く): 66183145

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2541, 7623, 10657, 31971, 74599, 95913, 117227, 223797, 351681, 671391, 820589, 1055043, 1289497, 2461767, 3868491, 7385301, 9026479, 11605473, 27079437, 81238311]

約数ペア:

[(1, 81238311), (3, 27079437), (7, 11605473), (9, 9026479), (11, 7385301), (21, 3868491), (33, 2461767), (63, 1289497), (77, 1055043), (99, 820589), (121, 671391), (231, 351681), (363, 223797), (693, 117227), (847, 95913), (1089, 74599), (2541, 31971), (7623, 10657)]