18250617

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 48

約数和(自身を含む): 31758336

約数和(自身を除く): 13507719

約数列:

[1, 3, 7, 11, 21, 33, 41, 47, 77, 123, 141, 231, 287, 329, 451, 517, 861, 987, 1353, 1551, 1681, 1927, 3157, 3619, 5043, 5781, 9471, 10857, 11767, 13489, 18491, 21197, 35301, 40467, 55473, 63591, 79007, 129437, 148379, 237021, 388311, 445137, 553049, 869077, 1659147, 2607231, 6083539, 18250617]

約数ペア:

[(1, 18250617), (3, 6083539), (7, 2607231), (11, 1659147), (21, 869077), (33, 553049), (41, 445137), (47, 388311), (77, 237021), (123, 148379), (141, 129437), (231, 79007), (287, 63591), (329, 55473), (451, 40467), (517, 35301), (861, 21197), (987, 18491), (1353, 13489), (1551, 11767), (1681, 10857), (1927, 9471), (3157, 5781), (3619, 5043)]