720291

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:123

約数の個数: 32

約数和(自身を含む): 1193472

約数和(自身を除く): 473181

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 73, 143, 219, 253, 299, 429, 759, 803, 897, 949, 1679, 2409, 2847, 3289, 5037, 9867, 10439, 18469, 21827, 31317, 55407, 65481, 240097, 720291]

約数ペア:

[(1, 720291), (3, 240097), (11, 65481), (13, 55407), (23, 31317), (33, 21827), (39, 18469), (69, 10439), (73, 9867), (143, 5037), (219, 3289), (253, 2847), (299, 2409), (429, 1679), (759, 949), (803, 897)]