7257411

素因数分解:

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

素因数の和:125

約数の個数: 64

約数和(自身を含む): 13516800

約数和(自身を除く): 6259389

約数列:

[1, 3, 7, 9, 19, 21, 27, 43, 47, 57, 63, 129, 133, 141, 171, 189, 301, 329, 387, 399, 423, 513, 817, 893, 903, 987, 1161, 1197, 1269, 2021, 2451, 2679, 2709, 2961, 3591, 5719, 6063, 6251, 7353, 8037, 8127, 8883, 14147, 17157, 18189, 18753, 22059, 24111, 38399, 42441, 51471, 54567, 56259, 115197, 127323, 154413, 168777, 268793, 345591, 381969, 806379, 1036773, 2419137, 7257411]

約数ペア:

[(1, 7257411), (3, 2419137), (7, 1036773), (9, 806379), (19, 381969), (21, 345591), (27, 268793), (43, 168777), (47, 154413), (57, 127323), (63, 115197), (129, 56259), (133, 54567), (141, 51471), (171, 42441), (189, 38399), (301, 24111), (329, 22059), (387, 18753), (399, 18189), (423, 17157), (513, 14147), (817, 8883), (893, 8127), (903, 8037), (987, 7353), (1161, 6251), (1197, 6063), (1269, 5719), (2021, 3591), (2451, 2961), (2679, 2709)]