18664569

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1218

約数の個数: 48

約数和(自身を含む): 35103744

約数和(自身を除く): 16439175

約数列:

[1, 3, 7, 9, 11, 21, 23, 33, 63, 69, 77, 99, 161, 207, 231, 253, 483, 693, 759, 1171, 1449, 1771, 2277, 3513, 5313, 8197, 10539, 12881, 15939, 24591, 26933, 38643, 73773, 80799, 90167, 115929, 188531, 242397, 270501, 296263, 565593, 811503, 888789, 1696779, 2073841, 2666367, 6221523, 18664569]

約数ペア:

[(1, 18664569), (3, 6221523), (7, 2666367), (9, 2073841), (11, 1696779), (21, 888789), (23, 811503), (33, 565593), (63, 296263), (69, 270501), (77, 242397), (99, 188531), (161, 115929), (207, 90167), (231, 80799), (253, 73773), (483, 38643), (693, 26933), (759, 24591), (1171, 15939), (1449, 12881), (1771, 10539), (2277, 8197), (3513, 5313)]