28681065

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1198

約数の個数: 48

約数和(自身を含む): 57552768

約数和(自身を除く): 28871703

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 83, 105, 249, 315, 415, 581, 747, 1097, 1245, 1743, 2905, 3291, 3735, 5229, 5485, 7679, 8715, 9873, 16455, 23037, 26145, 38395, 49365, 69111, 91051, 115185, 273153, 345555, 455255, 637357, 819459, 1365765, 1912071, 3186785, 4097295, 5736213, 9560355, 28681065]

約数ペア:

[(1, 28681065), (3, 9560355), (5, 5736213), (7, 4097295), (9, 3186785), (15, 1912071), (21, 1365765), (35, 819459), (45, 637357), (63, 455255), (83, 345555), (105, 273153), (249, 115185), (315, 91051), (415, 69111), (581, 49365), (747, 38395), (1097, 26145), (1245, 23037), (1743, 16455), (2905, 9873), (3291, 8715), (3735, 7679), (5229, 5485)]