12157431

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1667}}^1$

素因数の和:1711

約数の個数: 32

約数和(自身を含む): 20176128

約数和(自身を除く): 8018697

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 1667, 2431, 5001, 7293, 18337, 21671, 28339, 55011, 65013, 85017, 238381, 311729, 368407, 715143, 935187, 1105221, 4052477, 12157431]

約数ペア:

[(1, 12157431), (3, 4052477), (11, 1105221), (13, 935187), (17, 715143), (33, 368407), (39, 311729), (51, 238381), (143, 85017), (187, 65013), (221, 55011), (429, 28339), (561, 21671), (663, 18337), (1667, 7293), (2431, 5001)]