8181117

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 14376960

約数和(自身を除く): 6195843

約数列:

[1, 3, 7, 9, 21, 31, 59, 63, 71, 93, 177, 213, 217, 279, 413, 497, 531, 639, 651, 1239, 1491, 1829, 1953, 2201, 3717, 4189, 4473, 5487, 6603, 12567, 12803, 15407, 16461, 19809, 29323, 37701, 38409, 46221, 87969, 115227, 129859, 138663, 263907, 389577, 909013, 1168731, 2727039, 8181117]

約数ペア:

[(1, 8181117), (3, 2727039), (7, 1168731), (9, 909013), (21, 389577), (31, 263907), (59, 138663), (63, 129859), (71, 115227), (93, 87969), (177, 46221), (213, 38409), (217, 37701), (279, 29323), (413, 19809), (497, 16461), (531, 15407), (639, 12803), (651, 12567), (1239, 6603), (1491, 5487), (1829, 4473), (1953, 4189), (2201, 3717)]