81109755

素因数分解:

$3^5\times 5^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 146930784

約数和(自身を除く): 65821029

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 241, 243, 277, 405, 723, 831, 1205, 1215, 1385, 2169, 2493, 3615, 4155, 6507, 7479, 10845, 12465, 19521, 22437, 32535, 37395, 58563, 66757, 67311, 97605, 112185, 200271, 292815, 333785, 336555, 600813, 1001355, 1802439, 3004065, 5407317, 9012195, 16221951, 27036585, 81109755]

約数ペア:

[(1, 81109755), (3, 27036585), (5, 16221951), (9, 9012195), (15, 5407317), (27, 3004065), (45, 1802439), (81, 1001355), (135, 600813), (241, 336555), (243, 333785), (277, 292815), (405, 200271), (723, 112185), (831, 97605), (1205, 67311), (1215, 66757), (1385, 58563), (2169, 37395), (2493, 32535), (3615, 22437), (4155, 19521), (6507, 12465), (7479, 10845)]