215565525

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 477719424

約数和(自身を除く): 262153899

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 83, 85, 97, 105, 119, 153, 175, 225, 249, 255, 291, 315, 357, 415, 425, 485, 525, 581, 595, 679, 747, 765, 873, 1071, 1245, 1275, 1411, 1455, 1575, 1649, 1743, 1785, 2037, 2075, 2425, 2905, 2975, 3395, 3735, 3825, 4233, 4365, 4947, 5229, 5355, 6111, 6225, 7055, 7275, 8051, 8245, 8715, 8925, 9877, 10185, 11543, 12699, 14525, 14841, 16975, 18675, 21165, 21825, 24153, 24735, 26145, 26775, 29631, 30555, 34629, 35275, 40255, 41225, 43575, 49385, 50925, 56357, 57715, 63495, 72459, 74205, 88893, 103887, 105825, 120765, 123675, 130725, 136867, 148155, 152775, 169071, 173145, 201275, 246925, 281785, 288575, 317475, 362295, 371025, 410601, 444465, 507213, 519435, 603825, 684335, 740775, 845355, 865725, 958069, 1231803, 1408925, 1811475, 2053005, 2222325, 2536065, 2597175, 2874207, 3421675, 4226775, 4790345, 6159015, 8622621, 10265025, 12680325, 14371035, 23951725, 30795075, 43113105, 71855175, 215565525]

約数ペア:

[(1, 215565525), (3, 71855175), (5, 43113105), (7, 30795075), (9, 23951725), (15, 14371035), (17, 12680325), (21, 10265025), (25, 8622621), (35, 6159015), (45, 4790345), (51, 4226775), (63, 3421675), (75, 2874207), (83, 2597175), (85, 2536065), (97, 2222325), (105, 2053005), (119, 1811475), (153, 1408925), (175, 1231803), (225, 958069), (249, 865725), (255, 845355), (291, 740775), (315, 684335), (357, 603825), (415, 519435), (425, 507213), (485, 444465), (525, 410601), (581, 371025), (595, 362295), (679, 317475), (747, 288575), (765, 281785), (873, 246925), (1071, 201275), (1245, 173145), (1275, 169071), (1411, 152775), (1455, 148155), (1575, 136867), (1649, 130725), (1743, 123675), (1785, 120765), (2037, 105825), (2075, 103887), (2425, 88893), (2905, 74205), (2975, 72459), (3395, 63495), (3735, 57715), (3825, 56357), (4233, 50925), (4365, 49385), (4947, 43575), (5229, 41225), (5355, 40255), (6111, 35275), (6225, 34629), (7055, 30555), (7275, 29631), (8051, 26775), (8245, 26145), (8715, 24735), (8925, 24153), (9877, 21825), (10185, 21165), (11543, 18675), (12699, 16975), (14525, 14841)]