81626454

素因数分解:

$2^1\times 3^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:161

約数の個数: 160

約数和(自身を含む): 231739200

約数和(自身を除く): 150112746

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 78, 81, 91, 98, 113, 117, 126, 147, 162, 182, 189, 226, 234, 273, 294, 339, 343, 351, 378, 441, 546, 567, 637, 678, 686, 702, 791, 819, 882, 1017, 1029, 1053, 1134, 1274, 1323, 1469, 1582, 1638, 1911, 2034, 2058, 2106, 2373, 2457, 2646, 2938, 3051, 3087, 3822, 3969, 4407, 4459, 4746, 4914, 5537, 5733, 6102, 6174, 7119, 7371, 7938, 8814, 8918, 9153, 9261, 10283, 11074, 11466, 13221, 13377, 14238, 14742, 16611, 17199, 18306, 18522, 20566, 21357, 26442, 26754, 27783, 30849, 33222, 34398, 38759, 39663, 40131, 42714, 49833, 51597, 55566, 61698, 64071, 71981, 77518, 79326, 80262, 92547, 99666, 103194, 116277, 118989, 120393, 128142, 143962, 149499, 185094, 215943, 232554, 237978, 240786, 277641, 298998, 348831, 361179, 431886, 448497, 503867, 555282, 647829, 697662, 722358, 832923, 896994, 1007734, 1046493, 1295658, 1511601, 1665846, 1943487, 2092986, 3023202, 3139479, 3886974, 4534803, 5830461, 6278958, 9069606, 11660922, 13604409, 27208818, 40813227, 81626454]

約数ペア:

[(1, 81626454), (2, 40813227), (3, 27208818), (6, 13604409), (7, 11660922), (9, 9069606), (13, 6278958), (14, 5830461), (18, 4534803), (21, 3886974), (26, 3139479), (27, 3023202), (39, 2092986), (42, 1943487), (49, 1665846), (54, 1511601), (63, 1295658), (78, 1046493), (81, 1007734), (91, 896994), (98, 832923), (113, 722358), (117, 697662), (126, 647829), (147, 555282), (162, 503867), (182, 448497), (189, 431886), (226, 361179), (234, 348831), (273, 298998), (294, 277641), (339, 240786), (343, 237978), (351, 232554), (378, 215943), (441, 185094), (546, 149499), (567, 143962), (637, 128142), (678, 120393), (686, 118989), (702, 116277), (791, 103194), (819, 99666), (882, 92547), (1017, 80262), (1029, 79326), (1053, 77518), (1134, 71981), (1274, 64071), (1323, 61698), (1469, 55566), (1582, 51597), (1638, 49833), (1911, 42714), (2034, 40131), (2058, 39663), (2106, 38759), (2373, 34398), (2457, 33222), (2646, 30849), (2938, 27783), (3051, 26754), (3087, 26442), (3822, 21357), (3969, 20566), (4407, 18522), (4459, 18306), (4746, 17199), (4914, 16611), (5537, 14742), (5733, 14238), (6102, 13377), (6174, 13221), (7119, 11466), (7371, 11074), (7938, 10283), (8814, 9261), (8918, 9153)]