17393481

素因数分解:

$3^3\times 7^2\times {\mathrm{13147}}^1$

素因数の和:13170

約数の個数: 24

約数和(自身を含む): 29977440

約数和(自身を除く): 12583959

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 13147, 39441, 92029, 118323, 276087, 354969, 644203, 828261, 1932609, 2484783, 5797827, 17393481]

約数ペア:

[(1, 17393481), (3, 5797827), (7, 2484783), (9, 1932609), (21, 828261), (27, 644203), (49, 354969), (63, 276087), (147, 118323), (189, 92029), (441, 39441), (1323, 13147)]