80667573

素因数分解:

$3^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 130014720

約数和(自身を除く): 49347147

約数列:

[1, 3, 7, 21, 49, 59, 71, 131, 147, 177, 213, 393, 413, 497, 917, 1239, 1491, 2751, 2891, 3479, 4189, 6419, 7729, 8673, 9301, 10437, 12567, 19257, 23187, 27903, 29323, 54103, 65107, 87969, 162309, 195321, 205261, 378721, 455749, 548759, 615783, 1136163, 1367247, 1646277, 3841313, 11523939, 26889191, 80667573]

約数ペア:

[(1, 80667573), (3, 26889191), (7, 11523939), (21, 3841313), (49, 1646277), (59, 1367247), (71, 1136163), (131, 615783), (147, 548759), (177, 455749), (213, 378721), (393, 205261), (413, 195321), (497, 162309), (917, 87969), (1239, 65107), (1491, 54103), (2751, 29323), (2891, 27903), (3479, 23187), (4189, 19257), (6419, 12567), (7729, 10437), (8673, 9301)]