65977989

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 115015680

約数和(自身を除く): 49037691

約数列:

[1, 3, 7, 11, 21, 33, 47, 59, 77, 103, 141, 177, 231, 309, 329, 413, 517, 649, 721, 987, 1133, 1239, 1551, 1947, 2163, 2773, 3399, 3619, 4543, 4841, 6077, 7931, 8319, 10857, 13629, 14523, 18231, 19411, 23793, 30503, 33887, 42539, 53251, 58233, 66847, 91509, 101661, 127617, 159753, 200541, 213521, 285619, 372757, 467929, 640563, 856857, 1118271, 1403787, 1999333, 3141809, 5997999, 9425427, 21992663, 65977989]

約数ペア:

[(1, 65977989), (3, 21992663), (7, 9425427), (11, 5997999), (21, 3141809), (33, 1999333), (47, 1403787), (59, 1118271), (77, 856857), (103, 640563), (141, 467929), (177, 372757), (231, 285619), (309, 213521), (329, 200541), (413, 159753), (517, 127617), (649, 101661), (721, 91509), (987, 66847), (1133, 58233), (1239, 53251), (1551, 42539), (1947, 33887), (2163, 30503), (2773, 23793), (3399, 19411), (3619, 18231), (4543, 14523), (4841, 13629), (6077, 10857), (7931, 8319)]