20149272171

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1\times {\mathrm{787}}^1$

素因数の和:1185

約数の個数: 96

約数和(自身を含む): 35658954240

約数和(自身を除く): 15509682069

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 293, 399, 511, 657, 787, 879, 1197, 1387, 1533, 2051, 2361, 2637, 4161, 4599, 5509, 5567, 6153, 7083, 9709, 12483, 14953, 16527, 16701, 18459, 21389, 29127, 38969, 44859, 49581, 50103, 57451, 64167, 87381, 104671, 116907, 134577, 149723, 172353, 192501, 230591, 314013, 350721, 402157, 406391, 449169, 517059, 691773, 942039, 1091569, 1206471, 1219173, 1347507, 1614137, 2075319, 2844737, 3274707, 3619413, 3657519, 4381229, 4842411, 7640983, 8534211, 9824121, 13143687, 14527233, 16833143, 22922949, 25602633, 30668603, 39431061, 50499429, 68768847, 92005809, 117832001, 151498287, 276017427, 319829717, 353496003, 959489151, 1060488009, 2238808019, 2878467453, 6716424057, 20149272171]

約数ペア:

[(1, 20149272171), (3, 6716424057), (7, 2878467453), (9, 2238808019), (19, 1060488009), (21, 959489151), (57, 353496003), (63, 319829717), (73, 276017427), (133, 151498287), (171, 117832001), (219, 92005809), (293, 68768847), (399, 50499429), (511, 39431061), (657, 30668603), (787, 25602633), (879, 22922949), (1197, 16833143), (1387, 14527233), (1533, 13143687), (2051, 9824121), (2361, 8534211), (2637, 7640983), (4161, 4842411), (4599, 4381229), (5509, 3657519), (5567, 3619413), (6153, 3274707), (7083, 2844737), (9709, 2075319), (12483, 1614137), (14953, 1347507), (16527, 1219173), (16701, 1206471), (18459, 1091569), (21389, 942039), (29127, 691773), (38969, 517059), (44859, 449169), (49581, 406391), (50103, 402157), (57451, 350721), (64167, 314013), (87381, 230591), (104671, 192501), (116907, 172353), (134577, 149723)]