17957247

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 31051776

約数和(自身を除く): 13094529

約数列:

[1, 3, 7, 11, 21, 33, 37, 77, 111, 121, 191, 231, 259, 363, 407, 573, 777, 847, 1221, 1337, 2101, 2541, 2849, 4011, 4477, 6303, 7067, 8547, 13431, 14707, 21201, 23111, 31339, 44121, 49469, 69333, 77737, 94017, 148407, 161777, 233211, 485331, 544159, 855107, 1632477, 2565321, 5985749, 17957247]

約数ペア:

[(1, 17957247), (3, 5985749), (7, 2565321), (11, 1632477), (21, 855107), (33, 544159), (37, 485331), (77, 233211), (111, 161777), (121, 148407), (191, 94017), (231, 77737), (259, 69333), (363, 49469), (407, 44121), (573, 31339), (777, 23111), (847, 21201), (1221, 14707), (1337, 13431), (2101, 8547), (2541, 7067), (2849, 6303), (4011, 4477)]