281756739

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 448266240

約数和(自身を除く): 166509501

約数列:

[1, 3, 11, 23, 33, 37, 69, 79, 111, 127, 237, 253, 381, 407, 759, 851, 869, 1221, 1397, 1817, 2553, 2607, 2921, 2923, 4191, 4699, 5451, 8763, 8769, 9361, 10033, 14097, 19987, 28083, 30099, 32131, 32153, 51689, 59961, 67229, 96393, 96459, 108077, 110363, 155067, 201687, 230759, 324231, 331089, 371221, 692277, 739519, 1113663, 1188847, 2218557, 2538349, 3566541, 4083431, 7615047, 8538083, 12250293, 25614249, 93918913, 281756739]

約数ペア:

[(1, 281756739), (3, 93918913), (11, 25614249), (23, 12250293), (33, 8538083), (37, 7615047), (69, 4083431), (79, 3566541), (111, 2538349), (127, 2218557), (237, 1188847), (253, 1113663), (381, 739519), (407, 692277), (759, 371221), (851, 331089), (869, 324231), (1221, 230759), (1397, 201687), (1817, 155067), (2553, 110363), (2607, 108077), (2921, 96459), (2923, 96393), (4191, 67229), (4699, 59961), (5451, 51689), (8763, 32153), (8769, 32131), (9361, 30099), (10033, 28083), (14097, 19987)]