27902721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:250

約数の個数: 48

約数和(自身を含む): 47667200

約数和(自身を除く): 19764479

約数列:

[1, 3, 7, 11, 21, 33, 77, 79, 121, 139, 231, 237, 363, 417, 553, 847, 869, 973, 1529, 1659, 2541, 2607, 2919, 4587, 6083, 9559, 10703, 10981, 16819, 18249, 28677, 32109, 32943, 50457, 66913, 76867, 117733, 120791, 200739, 230601, 353199, 362373, 845537, 1328701, 2536611, 3986103, 9300907, 27902721]

約数ペア:

[(1, 27902721), (3, 9300907), (7, 3986103), (11, 2536611), (21, 1328701), (33, 845537), (77, 362373), (79, 353199), (121, 230601), (139, 200739), (231, 120791), (237, 117733), (363, 76867), (417, 66913), (553, 50457), (847, 32943), (869, 32109), (973, 28677), (1529, 18249), (1659, 16819), (2541, 10981), (2607, 10703), (2919, 9559), (4587, 6083)]