16870239

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1553}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 26181792

約数和(自身を除く): 9311553

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 1553, 3621, 4659, 10863, 13977, 26401, 79203, 110263, 237609, 330789, 992367, 1874471, 5623413, 16870239]

約数ペア:

[(1, 16870239), (3, 5623413), (9, 1874471), (17, 992367), (51, 330789), (71, 237609), (153, 110263), (213, 79203), (639, 26401), (1207, 13977), (1553, 10863), (3621, 4659)]