16663689

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{15559}}^1$

素因数の和:15589

約数の個数: 24

約数和(自身を含む): 29128320

約数和(自身を除く): 12464631

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 15559, 46677, 108913, 140031, 264503, 326739, 793509, 980217, 1851521, 2380527, 5554563, 16663689]

約数ペア:

[(1, 16663689), (3, 5554563), (7, 2380527), (9, 1851521), (17, 980217), (21, 793509), (51, 326739), (63, 264503), (119, 140031), (153, 108913), (357, 46677), (1071, 15559)]