27685287

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^2\times {\mathrm{107}}^1$

素因数の和:197

約数の個数: 48

約数和(自身を含む): 48625920

約数和(自身を除く): 20940633

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 107, 111, 189, 259, 321, 333, 749, 777, 963, 999, 1369, 2247, 2331, 2889, 3959, 4107, 6741, 6993, 9583, 11877, 12321, 20223, 27713, 28749, 35631, 36963, 83139, 86247, 106893, 146483, 249417, 258741, 439449, 748251, 1025381, 1318347, 3076143, 3955041, 9228429, 27685287]

約数ペア:

[(1, 27685287), (3, 9228429), (7, 3955041), (9, 3076143), (21, 1318347), (27, 1025381), (37, 748251), (63, 439449), (107, 258741), (111, 249417), (189, 146483), (259, 106893), (321, 86247), (333, 83139), (749, 36963), (777, 35631), (963, 28749), (999, 27713), (1369, 20223), (2247, 12321), (2331, 11877), (2889, 9583), (3959, 6993), (4107, 6741)]