27789951

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 47548160

約数和(自身を除く): 19758209

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 241, 289, 323, 357, 399, 723, 867, 969, 1687, 2023, 2261, 4097, 4579, 5061, 5491, 6069, 6783, 12291, 13737, 16473, 28679, 32053, 38437, 69649, 77843, 86037, 96159, 115311, 208947, 233529, 487543, 544901, 1323331, 1462629, 1634703, 3969993, 9263317, 27789951]

約数ペア:

[(1, 27789951), (3, 9263317), (7, 3969993), (17, 1634703), (19, 1462629), (21, 1323331), (51, 544901), (57, 487543), (119, 233529), (133, 208947), (241, 115311), (289, 96159), (323, 86037), (357, 77843), (399, 69649), (723, 38437), (867, 32053), (969, 28679), (1687, 16473), (2023, 13737), (2261, 12291), (4097, 6783), (4579, 6069), (5061, 5491)]