2787213

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 4475520

約数和(自身を除く): 1688307

約数列:

[1, 3, 11, 13, 33, 39, 73, 89, 143, 219, 267, 429, 803, 949, 979, 1157, 2409, 2847, 2937, 3471, 6497, 10439, 12727, 19491, 31317, 38181, 71467, 84461, 214401, 253383, 929071, 2787213]

約数ペア:

[(1, 2787213), (3, 929071), (11, 253383), (13, 214401), (33, 84461), (39, 71467), (73, 38181), (89, 31317), (143, 19491), (219, 12727), (267, 10439), (429, 6497), (803, 3471), (949, 2937), (979, 2847), (1157, 2409)]