81268803

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1523}}^1$

素因数の和:1565

約数の個数: 54

約数和(自身を含む): 150194772

約数和(自身を除く): 68925969

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 121, 147, 231, 363, 441, 539, 693, 847, 1089, 1523, 1617, 2541, 4569, 4851, 5929, 7623, 10661, 13707, 16753, 17787, 31983, 50259, 53361, 74627, 95949, 117271, 150777, 184283, 223881, 351813, 552849, 671643, 820897, 1055439, 1289981, 1658547, 2462691, 3869943, 7388073, 9029867, 11609829, 27089601, 81268803]

約数ペア:

[(1, 81268803), (3, 27089601), (7, 11609829), (9, 9029867), (11, 7388073), (21, 3869943), (33, 2462691), (49, 1658547), (63, 1289981), (77, 1055439), (99, 820897), (121, 671643), (147, 552849), (231, 351813), (363, 223881), (441, 184283), (539, 150777), (693, 117271), (847, 95949), (1089, 74627), (1523, 53361), (1617, 50259), (2541, 31983), (4569, 17787), (4851, 16753), (5929, 13707), (7623, 10661)]