128309709

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2381}}^1$

素因数の和:2489

約数の個数: 32

約数和(自身を含む): 197572608

約数和(自身を除く): 69262899

約数列:

[1, 3, 11, 23, 33, 69, 71, 213, 253, 759, 781, 1633, 2343, 2381, 4899, 7143, 17963, 26191, 53889, 54763, 78573, 164289, 169051, 507153, 602393, 1807179, 1859561, 3888173, 5578683, 11664519, 42769903, 128309709]

約数ペア:

[(1, 128309709), (3, 42769903), (11, 11664519), (23, 5578683), (33, 3888173), (69, 1859561), (71, 1807179), (213, 602393), (253, 507153), (759, 169051), (781, 164289), (1633, 78573), (2343, 54763), (2381, 53889), (4899, 26191), (7143, 17963)]