12756681

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 22898304

約数和(自身を除く): 10141623

約数列:

[1, 3, 7, 9, 17, 21, 43, 51, 63, 119, 129, 153, 277, 301, 357, 387, 731, 831, 903, 1071, 1939, 2193, 2493, 2709, 4709, 5117, 5817, 6579, 11911, 14127, 15351, 17451, 32963, 35733, 42381, 46053, 83377, 98889, 107199, 202487, 250131, 296667, 607461, 750393, 1417409, 1822383, 4252227, 12756681]

約数ペア:

[(1, 12756681), (3, 4252227), (7, 1822383), (9, 1417409), (17, 750393), (21, 607461), (43, 296667), (51, 250131), (63, 202487), (119, 107199), (129, 98889), (153, 83377), (277, 46053), (301, 42381), (357, 35733), (387, 32963), (731, 17451), (831, 15351), (903, 14127), (1071, 11911), (1939, 6579), (2193, 5817), (2493, 5117), (2709, 4709)]