131801663

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 165132288

約数和(自身を除く): 33330625

約数列:

[1, 7, 17, 61, 67, 119, 271, 427, 469, 1037, 1139, 1897, 4087, 4607, 7259, 7973, 16531, 18157, 28609, 32249, 69479, 115717, 127099, 281027, 308669, 486353, 1107577, 1967189, 2160683, 7753039, 18828809, 131801663]

約数ペア:

[(1, 131801663), (7, 18828809), (17, 7753039), (61, 2160683), (67, 1967189), (119, 1107577), (271, 486353), (427, 308669), (469, 281027), (1037, 127099), (1139, 115717), (1897, 69479), (4087, 32249), (4607, 28609), (7259, 18157), (7973, 16531)]