208770861

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{733}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 307457920

約数和(自身を除く): 98687059

約数列:

[1, 3, 13, 39, 67, 109, 201, 327, 733, 871, 1417, 2199, 2613, 4251, 7303, 9529, 21909, 28587, 49111, 79897, 94939, 147333, 239691, 284817, 638443, 1038661, 1915329, 3115983, 5353099, 16059297, 69590287, 208770861]

約数ペア:

[(1, 208770861), (3, 69590287), (13, 16059297), (39, 5353099), (67, 3115983), (109, 1915329), (201, 1038661), (327, 638443), (733, 284817), (871, 239691), (1417, 147333), (2199, 94939), (2613, 79897), (4251, 49111), (7303, 28587), (9529, 21909)]