27661257

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:375

約数の個数: 40

約数和(自身を含む): 45094280

約数和(自身を除く): 17433023

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 241, 327, 351, 723, 981, 1053, 1417, 2169, 2943, 3133, 4251, 6507, 8829, 9399, 12753, 19521, 26269, 28197, 38259, 78807, 84591, 114777, 236421, 253773, 341497, 709263, 1024491, 2127789, 3073473, 9220419, 27661257]

約数ペア:

[(1, 27661257), (3, 9220419), (9, 3073473), (13, 2127789), (27, 1024491), (39, 709263), (81, 341497), (109, 253773), (117, 236421), (241, 114777), (327, 84591), (351, 78807), (723, 38259), (981, 28197), (1053, 26269), (1417, 19521), (2169, 12753), (2943, 9399), (3133, 8829), (4251, 6507)]