2052668709

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{278479}}^1$

素因数の和:278511

約数の個数: 40

約数和(自身を含む): 3773960960

約数和(自身を除く): 1721292251

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 278479, 835437, 1949353, 2506311, 3620227, 5848059, 7518933, 10860681, 17544177, 22556799, 25341589, 32582043, 52632531, 76024767, 97746129, 157897593, 228074301, 293238387, 684222903, 2052668709]

約数ペア:

[(1, 2052668709), (3, 684222903), (7, 293238387), (9, 228074301), (13, 157897593), (21, 97746129), (27, 76024767), (39, 52632531), (63, 32582043), (81, 25341589), (91, 22556799), (117, 17544177), (189, 10860681), (273, 7518933), (351, 5848059), (567, 3620227), (819, 2506311), (1053, 1949353), (2457, 835437), (7371, 278479)]