16728943

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 21775824

約数和(自身を除く): 5046881

約数列:

[1, 7, 11, 41, 49, 77, 287, 451, 539, 757, 2009, 3157, 5299, 8327, 22099, 31037, 37093, 58289, 217259, 341407, 408023, 1520813, 2389849, 16728943]

約数ペア:

[(1, 16728943), (7, 2389849), (11, 1520813), (41, 408023), (49, 341407), (77, 217259), (287, 58289), (451, 37093), (539, 31037), (757, 22099), (2009, 8327), (3157, 5299)]