28877121

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:132

約数の個数: 96

約数和(自身を含む): 56689920

約数和(自身を除く): 27812799

約数列:

[1, 3, 7, 9, 13, 21, 23, 27, 39, 49, 63, 69, 73, 91, 117, 147, 161, 189, 207, 219, 273, 299, 351, 441, 483, 511, 621, 637, 657, 819, 897, 949, 1127, 1323, 1449, 1533, 1679, 1911, 1971, 2093, 2457, 2691, 2847, 3381, 3577, 4347, 4599, 5037, 5733, 6279, 6643, 8073, 8541, 10143, 10731, 11753, 13797, 14651, 15111, 17199, 18837, 19929, 21827, 25623, 30429, 32193, 35259, 43953, 45333, 46501, 56511, 59787, 65481, 82271, 96579, 105777, 131859, 139503, 152789, 179361, 196443, 246813, 317331, 395577, 418509, 458367, 589329, 740439, 1069523, 1255527, 1375101, 2221317, 3208569, 4125303, 9625707, 28877121]

約数ペア:

[(1, 28877121), (3, 9625707), (7, 4125303), (9, 3208569), (13, 2221317), (21, 1375101), (23, 1255527), (27, 1069523), (39, 740439), (49, 589329), (63, 458367), (69, 418509), (73, 395577), (91, 317331), (117, 246813), (147, 196443), (161, 179361), (189, 152789), (207, 139503), (219, 131859), (273, 105777), (299, 96579), (351, 82271), (441, 65481), (483, 59787), (511, 56511), (621, 46501), (637, 45333), (657, 43953), (819, 35259), (897, 32193), (949, 30429), (1127, 25623), (1323, 21827), (1449, 19929), (1533, 18837), (1679, 17199), (1911, 15111), (1971, 14651), (2093, 13797), (2457, 11753), (2691, 10731), (2847, 10143), (3381, 8541), (3577, 8073), (4347, 6643), (4599, 6279), (5037, 5733)]