12556701

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 20328000

約数和(自身を除く): 7771299

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 199, 369, 513, 597, 779, 1107, 1539, 1791, 2337, 3321, 3781, 5373, 7011, 8159, 11343, 16119, 21033, 24477, 34029, 63099, 73431, 102087, 155021, 220293, 306261, 465063, 660879, 1395189, 4185567, 12556701]

約数ペア:

[(1, 12556701), (3, 4185567), (9, 1395189), (19, 660879), (27, 465063), (41, 306261), (57, 220293), (81, 155021), (123, 102087), (171, 73431), (199, 63099), (369, 34029), (513, 24477), (597, 21033), (779, 16119), (1107, 11343), (1539, 8159), (1791, 7011), (2337, 5373), (3321, 3781)]