171221127

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{739}}^1$

素因数の和:836

約数の個数: 64

約数和(自身を含む): 306892800

約数和(自身を除く): 135671673

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 59, 77, 119, 177, 187, 231, 357, 413, 561, 649, 739, 1003, 1239, 1309, 1947, 2217, 3009, 3927, 4543, 5173, 7021, 8129, 11033, 12563, 13629, 15519, 21063, 24387, 33099, 37689, 43601, 56903, 77231, 87941, 130803, 138193, 170709, 231693, 263823, 305207, 414579, 479611, 741217, 915621, 967351, 1438833, 2223651, 2902053, 3357277, 5188519, 8153387, 10071831, 15565557, 24460161, 57073709, 171221127]

約数ペア:

[(1, 171221127), (3, 57073709), (7, 24460161), (11, 15565557), (17, 10071831), (21, 8153387), (33, 5188519), (51, 3357277), (59, 2902053), (77, 2223651), (119, 1438833), (177, 967351), (187, 915621), (231, 741217), (357, 479611), (413, 414579), (561, 305207), (649, 263823), (739, 231693), (1003, 170709), (1239, 138193), (1309, 130803), (1947, 87941), (2217, 77231), (3009, 56903), (3927, 43601), (4543, 37689), (5173, 33099), (7021, 24387), (8129, 21063), (11033, 15519), (12563, 13629)]