15680181

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:393

約数の個数: 32

約数和(自身を含む): 24210432

約数和(自身を除く): 8530251

約数列:

[1, 3, 11, 23, 33, 69, 73, 219, 253, 283, 759, 803, 849, 1679, 2409, 3113, 5037, 6509, 9339, 18469, 19527, 20659, 55407, 61977, 71599, 214797, 227249, 475157, 681747, 1425471, 5226727, 15680181]

約数ペア:

[(1, 15680181), (3, 5226727), (11, 1425471), (23, 681747), (33, 475157), (69, 227249), (73, 214797), (219, 71599), (253, 61977), (283, 55407), (759, 20659), (803, 19527), (849, 18469), (1679, 9339), (2409, 6509), (3113, 5037)]