13661439

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 20715264

約数和(自身を除く): 7053825

約数列:

[1, 3, 11, 33, 53, 73, 107, 159, 219, 321, 583, 803, 1177, 1749, 2409, 3531, 3869, 5671, 7811, 11607, 17013, 23433, 42559, 62381, 85921, 127677, 187143, 257763, 413983, 1241949, 4553813, 13661439]

約数ペア:

[(1, 13661439), (3, 4553813), (11, 1241949), (33, 413983), (53, 257763), (73, 187143), (107, 127677), (159, 85921), (219, 62381), (321, 42559), (583, 23433), (803, 17013), (1177, 11607), (1749, 7811), (2409, 5671), (3531, 3869)]