388664829

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{21347}}^1$

素因数の和:21394

約数の個数: 36

約数和(自身を含む): 681598944

約数和(自身を除く): 292934115

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 289, 357, 867, 1071, 2023, 2601, 6069, 18207, 21347, 64041, 149429, 192123, 362899, 448287, 1088697, 1344861, 2540293, 3266091, 6169283, 7620879, 18507849, 22862637, 43184981, 55523547, 129554943, 388664829]

約数ペア:

[(1, 388664829), (3, 129554943), (7, 55523547), (9, 43184981), (17, 22862637), (21, 18507849), (51, 7620879), (63, 6169283), (119, 3266091), (153, 2540293), (289, 1344861), (357, 1088697), (867, 448287), (1071, 362899), (2023, 192123), (2601, 149429), (6069, 64041), (18207, 21347)]