12754719

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 48

約数和(自身を含む): 21235200

約数和(自身を除く): 8480481

約数列:

[1, 3, 9, 19, 23, 27, 47, 57, 69, 141, 171, 207, 423, 437, 513, 529, 621, 893, 1081, 1269, 1311, 1587, 2679, 3243, 3933, 4761, 8037, 9729, 10051, 11799, 14283, 20539, 24111, 24863, 29187, 30153, 61617, 74589, 90459, 184851, 223767, 271377, 472397, 554553, 671301, 1417191, 4251573, 12754719]

約数ペア:

[(1, 12754719), (3, 4251573), (9, 1417191), (19, 671301), (23, 554553), (27, 472397), (47, 271377), (57, 223767), (69, 184851), (141, 90459), (171, 74589), (207, 61617), (423, 30153), (437, 29187), (513, 24863), (529, 24111), (621, 20539), (893, 14283), (1081, 11799), (1269, 10051), (1311, 9729), (1587, 8037), (2679, 4761), (3243, 3933)]