16920387

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2477}}^1$

素因数の和:2520

約数の個数: 32

約数和(自身を含む): 28546560

約数和(自身を除く): 11626173

約数列:

[1, 3, 9, 11, 23, 27, 33, 69, 99, 207, 253, 297, 621, 759, 2277, 2477, 6831, 7431, 22293, 27247, 56971, 66879, 81741, 170913, 245223, 512739, 626681, 735669, 1538217, 1880043, 5640129, 16920387]

約数ペア:

[(1, 16920387), (3, 5640129), (9, 1880043), (11, 1538217), (23, 735669), (27, 626681), (33, 512739), (69, 245223), (99, 170913), (207, 81741), (253, 66879), (297, 56971), (621, 27247), (759, 22293), (2277, 7431), (2477, 6831)]