16680237

素因数分解:

$3^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{487}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 26035776

約数和(自身を除く): 9355539

約数列:

[1, 3, 7, 21, 49, 147, 233, 487, 699, 1461, 1631, 3409, 4893, 10227, 11417, 23863, 34251, 71589, 113471, 340413, 794297, 2382891, 5560079, 16680237]

約数ペア:

[(1, 16680237), (3, 5560079), (7, 2382891), (21, 794297), (49, 340413), (147, 113471), (233, 71589), (487, 34251), (699, 23863), (1461, 11417), (1631, 10227), (3409, 4893)]