80979899

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 48

約数和(自身を含む): 112435200

約数和(自身を除く): 31455301

約数列:

[1, 7, 11, 13, 49, 77, 91, 127, 143, 169, 343, 539, 637, 889, 1001, 1183, 1397, 1651, 1859, 3773, 4459, 6223, 7007, 8281, 9779, 11557, 13013, 18161, 21463, 43561, 49049, 57967, 68453, 80899, 91091, 127127, 150241, 236093, 479171, 566293, 637637, 889889, 1051687, 1652651, 6229223, 7361809, 11568557, 80979899]

約数ペア:

[(1, 80979899), (7, 11568557), (11, 7361809), (13, 6229223), (49, 1652651), (77, 1051687), (91, 889889), (127, 637637), (143, 566293), (169, 479171), (343, 236093), (539, 150241), (637, 127127), (889, 91091), (1001, 80899), (1183, 68453), (1397, 57967), (1651, 49049), (1859, 43561), (3773, 21463), (4459, 18161), (6223, 13013), (7007, 11557), (8281, 9779)]