207910179

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{263}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 344678400

約数和(自身を除く): 136768221

約数列:

[1, 3, 9, 19, 23, 27, 57, 67, 69, 171, 201, 207, 263, 437, 513, 603, 621, 789, 1273, 1311, 1541, 1809, 2367, 3819, 3933, 4623, 4997, 6049, 7101, 11457, 11799, 13869, 14991, 17621, 18147, 29279, 34371, 41607, 44973, 52863, 54441, 87837, 114931, 134919, 158589, 163323, 263511, 334799, 344793, 405283, 475767, 790533, 1004397, 1034379, 1215849, 3013191, 3103137, 3647547, 7700377, 9039573, 10942641, 23101131, 69303393, 207910179]

約数ペア:

[(1, 207910179), (3, 69303393), (9, 23101131), (19, 10942641), (23, 9039573), (27, 7700377), (57, 3647547), (67, 3103137), (69, 3013191), (171, 1215849), (201, 1034379), (207, 1004397), (263, 790533), (437, 475767), (513, 405283), (603, 344793), (621, 334799), (789, 263511), (1273, 163323), (1311, 158589), (1541, 134919), (1809, 114931), (2367, 87837), (3819, 54441), (3933, 52863), (4623, 44973), (4997, 41607), (6049, 34371), (7101, 29279), (11457, 18147), (11799, 17621), (13869, 14991)]