128214261

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 237219840

約数和(自身を除く): 109005579

約数列:

[1, 3, 7, 9, 19, 21, 43, 47, 53, 57, 63, 129, 133, 141, 159, 171, 301, 329, 371, 387, 399, 423, 477, 817, 893, 903, 987, 1007, 1113, 1197, 2021, 2279, 2451, 2491, 2679, 2709, 2961, 3021, 3339, 5719, 6063, 6251, 6837, 7049, 7353, 7473, 8037, 9063, 14147, 15953, 17157, 17437, 18189, 18753, 20511, 21147, 22419, 38399, 42441, 43301, 47329, 47859, 51471, 52311, 56259, 63441, 107113, 115197, 127323, 129903, 141987, 143577, 156933, 268793, 303107, 321339, 331303, 345591, 389709, 425961, 749791, 806379, 909321, 964017, 993909, 2035147, 2249373, 2419137, 2727963, 2981727, 6105441, 6748119, 14246029, 18316323, 42738087, 128214261]

約数ペア:

[(1, 128214261), (3, 42738087), (7, 18316323), (9, 14246029), (19, 6748119), (21, 6105441), (43, 2981727), (47, 2727963), (53, 2419137), (57, 2249373), (63, 2035147), (129, 993909), (133, 964017), (141, 909321), (159, 806379), (171, 749791), (301, 425961), (329, 389709), (371, 345591), (387, 331303), (399, 321339), (423, 303107), (477, 268793), (817, 156933), (893, 143577), (903, 141987), (987, 129903), (1007, 127323), (1113, 115197), (1197, 107113), (2021, 63441), (2279, 56259), (2451, 52311), (2491, 51471), (2679, 47859), (2709, 47329), (2961, 43301), (3021, 42441), (3339, 38399), (5719, 22419), (6063, 21147), (6251, 20511), (6837, 18753), (7049, 18189), (7353, 17437), (7473, 17157), (8037, 15953), (9063, 14147)]