209969001

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 355537728

約数和(自身を除く): 145568727

約数列:

[1, 3, 9, 11, 23, 33, 69, 83, 99, 101, 121, 207, 249, 253, 303, 363, 747, 759, 909, 913, 1089, 1111, 1909, 2277, 2323, 2739, 2783, 3333, 5727, 6969, 8217, 8349, 8383, 9999, 10043, 12221, 17181, 20907, 20999, 25047, 25149, 25553, 30129, 36663, 62997, 75447, 76659, 90387, 92213, 109989, 188991, 192809, 229977, 230989, 276639, 281083, 578427, 692967, 829917, 843249, 1014343, 1735281, 2078901, 2120899, 2529747, 3043029, 6362697, 9129087, 19088091, 23329889, 69989667, 209969001]

約数ペア:

[(1, 209969001), (3, 69989667), (9, 23329889), (11, 19088091), (23, 9129087), (33, 6362697), (69, 3043029), (83, 2529747), (99, 2120899), (101, 2078901), (121, 1735281), (207, 1014343), (249, 843249), (253, 829917), (303, 692967), (363, 578427), (747, 281083), (759, 276639), (909, 230989), (913, 229977), (1089, 192809), (1111, 188991), (1909, 109989), (2277, 92213), (2323, 90387), (2739, 76659), (2783, 75447), (3333, 62997), (5727, 36663), (6969, 30129), (8217, 25553), (8349, 25149), (8383, 25047), (9999, 20999), (10043, 20907), (12221, 17181)]