16728747

素因数分解:

$3^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3671}}^1$

素因数の和:3719

約数の個数: 24

約数和(自身を含む): 26790912

約数和(自身を除く): 10062165

約数列:

[1, 3, 7, 21, 31, 49, 93, 147, 217, 651, 1519, 3671, 4557, 11013, 25697, 77091, 113801, 179879, 341403, 539637, 796607, 2389821, 5576249, 16728747]

約数ペア:

[(1, 16728747), (3, 5576249), (7, 2389821), (21, 796607), (31, 539637), (49, 341403), (93, 179879), (147, 113801), (217, 77091), (651, 25697), (1519, 11013), (3671, 4557)]