81147339

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 152053440

約数和(自身を除く): 70906101

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 101, 109, 117, 189, 273, 303, 327, 351, 567, 707, 763, 819, 909, 981, 1053, 1313, 1417, 2121, 2289, 2457, 2727, 2943, 3939, 4251, 6363, 6867, 7371, 8181, 8829, 9191, 9919, 11009, 11817, 12753, 19089, 20601, 27573, 29757, 33027, 35451, 38259, 57267, 61803, 77063, 82719, 89271, 99081, 106353, 114777, 143117, 231189, 248157, 267813, 297243, 429351, 693567, 744471, 803439, 891729, 1001819, 1288053, 2080701, 3005457, 3864159, 6242103, 9016371, 11592477, 27049113, 81147339]

約数ペア:

[(1, 81147339), (3, 27049113), (7, 11592477), (9, 9016371), (13, 6242103), (21, 3864159), (27, 3005457), (39, 2080701), (63, 1288053), (81, 1001819), (91, 891729), (101, 803439), (109, 744471), (117, 693567), (189, 429351), (273, 297243), (303, 267813), (327, 248157), (351, 231189), (567, 143117), (707, 114777), (763, 106353), (819, 99081), (909, 89271), (981, 82719), (1053, 77063), (1313, 61803), (1417, 57267), (2121, 38259), (2289, 35451), (2457, 33027), (2727, 29757), (2943, 27573), (3939, 20601), (4251, 19089), (6363, 12753), (6867, 11817), (7371, 11009), (8181, 9919), (8829, 9191)]