16870959

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{953}}^1$

素因数の和:1247

約数の個数: 24

約数和(自身を含む): 27978912

約数和(自身を除く): 11107953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 953, 1967, 2529, 2859, 5901, 6671, 8577, 17703, 20013, 60039, 267793, 803379, 1874551, 2410137, 5623653, 16870959]

約数ペア:

[(1, 16870959), (3, 5623653), (7, 2410137), (9, 1874551), (21, 803379), (63, 267793), (281, 60039), (843, 20013), (953, 17703), (1967, 8577), (2529, 6671), (2859, 5901)]