18180225

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:144

約数の個数: 108

約数和(自身を含む): 40520844

約数和(自身を除く): 22340619

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 49, 51, 63, 75, 85, 97, 105, 119, 147, 153, 175, 225, 245, 255, 291, 315, 357, 425, 441, 485, 525, 595, 679, 735, 765, 833, 873, 1071, 1225, 1275, 1455, 1575, 1649, 1785, 2037, 2205, 2425, 2499, 2975, 3395, 3675, 3825, 4165, 4365, 4753, 4947, 5355, 6111, 7275, 7497, 8245, 8925, 10185, 11025, 11543, 12495, 14259, 14841, 16975, 20825, 21825, 23765, 24735, 26775, 30555, 34629, 37485, 41225, 42777, 50925, 57715, 62475, 71295, 74205, 80801, 103887, 118825, 123675, 152775, 173145, 187425, 213885, 242403, 288575, 356475, 371025, 404005, 519435, 727209, 865725, 1069425, 1212015, 2020025, 2597175, 3636045, 6060075, 18180225]

約数ペア:

[(1, 18180225), (3, 6060075), (5, 3636045), (7, 2597175), (9, 2020025), (15, 1212015), (17, 1069425), (21, 865725), (25, 727209), (35, 519435), (45, 404005), (49, 371025), (51, 356475), (63, 288575), (75, 242403), (85, 213885), (97, 187425), (105, 173145), (119, 152775), (147, 123675), (153, 118825), (175, 103887), (225, 80801), (245, 74205), (255, 71295), (291, 62475), (315, 57715), (357, 50925), (425, 42777), (441, 41225), (485, 37485), (525, 34629), (595, 30555), (679, 26775), (735, 24735), (765, 23765), (833, 21825), (873, 20825), (1071, 16975), (1225, 14841), (1275, 14259), (1455, 12495), (1575, 11543), (1649, 11025), (1785, 10185), (2037, 8925), (2205, 8245), (2425, 7497), (2499, 7275), (2975, 6111), (3395, 5355), (3675, 4947), (3825, 4753), (4165, 4365)]