209580591

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{73}}^1\times {\mathrm{719}}^1$

素因数の和:828

約数の個数: 32

約数和(自身を含む): 312007680

約数和(自身を除く): 102427089

約数列:

[1, 3, 11, 33, 73, 121, 219, 363, 719, 803, 1331, 2157, 2409, 3993, 7909, 8833, 23727, 26499, 52487, 86999, 97163, 157461, 260997, 291489, 577357, 956989, 1732071, 2870967, 6350927, 19052781, 69860197, 209580591]

約数ペア:

[(1, 209580591), (3, 69860197), (11, 19052781), (33, 6350927), (73, 2870967), (121, 1732071), (219, 956989), (363, 577357), (719, 291489), (803, 260997), (1331, 157461), (2157, 97163), (2409, 86999), (3993, 52487), (7909, 26499), (8833, 23727)]