12878271

素因数分解:

$3^5\times 7^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 22573824

約数和(自身を除く): 9695553

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 113, 189, 201, 243, 339, 469, 567, 603, 791, 1017, 1407, 1701, 1809, 2373, 3051, 4221, 5427, 7119, 7571, 9153, 12663, 16281, 21357, 22713, 27459, 37989, 52997, 64071, 68139, 113967, 158991, 192213, 204417, 476973, 613251, 1430919, 1839753, 4292757, 12878271]

約数ペア:

[(1, 12878271), (3, 4292757), (7, 1839753), (9, 1430919), (21, 613251), (27, 476973), (63, 204417), (67, 192213), (81, 158991), (113, 113967), (189, 68139), (201, 64071), (243, 52997), (339, 37989), (469, 27459), (567, 22713), (603, 21357), (791, 16281), (1017, 12663), (1407, 9153), (1701, 7571), (1809, 7119), (2373, 5427), (3051, 4221)]