16517289

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 24837120

約数和(自身を除く): 8319831

約数列:

[1, 3, 19, 23, 43, 57, 69, 129, 293, 437, 817, 879, 989, 1311, 2451, 2967, 5567, 6739, 12599, 16701, 18791, 20217, 37797, 56373, 128041, 239381, 289777, 384123, 718143, 869331, 5505763, 16517289]

約数ペア:

[(1, 16517289), (3, 5505763), (19, 869331), (23, 718143), (43, 384123), (57, 289777), (69, 239381), (129, 128041), (293, 56373), (437, 37797), (817, 20217), (879, 18791), (989, 16701), (1311, 12599), (2451, 6739), (2967, 5567)]