42738087

素因数分解:

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

素因数の和:172

約数の個数: 64

約数和(自身を含む): 72990720

約数和(自身を除く): 30252633

約数列:

[1, 3, 7, 19, 21, 43, 47, 53, 57, 129, 133, 141, 159, 301, 329, 371, 399, 817, 893, 903, 987, 1007, 1113, 2021, 2279, 2451, 2491, 2679, 3021, 5719, 6063, 6251, 6837, 7049, 7473, 14147, 15953, 17157, 17437, 18753, 21147, 38399, 42441, 43301, 47329, 47859, 52311, 107113, 115197, 129903, 141987, 268793, 303107, 321339, 331303, 749791, 806379, 909321, 993909, 2035147, 2249373, 6105441, 14246029, 42738087]

約数ペア:

[(1, 42738087), (3, 14246029), (7, 6105441), (19, 2249373), (21, 2035147), (43, 993909), (47, 909321), (53, 806379), (57, 749791), (129, 331303), (133, 321339), (141, 303107), (159, 268793), (301, 141987), (329, 129903), (371, 115197), (399, 107113), (817, 52311), (893, 47859), (903, 47329), (987, 43301), (1007, 42441), (1113, 38399), (2021, 21147), (2279, 18753), (2451, 17437), (2491, 17157), (2679, 15953), (3021, 14147), (5719, 7473), (6063, 7049), (6251, 6837)]