16728663

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 32

約数和(自身を含む): 27592704

約数和(自身を除く): 10864041

約数列:

[1, 3, 7, 17, 21, 47, 51, 119, 141, 329, 357, 799, 987, 997, 2397, 2991, 5593, 6979, 16779, 16949, 20937, 46859, 50847, 118643, 140577, 328013, 355929, 796603, 984039, 2389809, 5576221, 16728663]

約数ペア:

[(1, 16728663), (3, 5576221), (7, 2389809), (17, 984039), (21, 796603), (47, 355929), (51, 328013), (119, 140577), (141, 118643), (329, 50847), (357, 46859), (799, 20937), (987, 16949), (997, 16779), (2397, 6979), (2991, 5593)]