12656721

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 22522752

約数和(自身を除く): 9866031

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 293, 357, 363, 561, 847, 879, 1309, 2051, 2057, 2541, 3223, 3927, 4981, 6153, 6171, 9669, 14399, 14943, 22561, 34867, 35453, 43197, 54791, 67683, 104601, 106359, 164373, 248171, 383537, 602701, 744513, 1150611, 1808103, 4218907, 12656721]

約数ペア:

[(1, 12656721), (3, 4218907), (7, 1808103), (11, 1150611), (17, 744513), (21, 602701), (33, 383537), (51, 248171), (77, 164373), (119, 106359), (121, 104601), (187, 67683), (231, 54791), (293, 43197), (357, 35453), (363, 34867), (561, 22561), (847, 14943), (879, 14399), (1309, 9669), (2051, 6171), (2057, 6153), (2541, 4981), (3223, 3927)]