1990222017

素因数分解:

$3^1\times 7^1\times {\mathrm{7717}}^1\times {\mathrm{12281}}^1$

素因数の和:20008

約数の個数: 16

約数和(自身を含む): 3033359232

約数和(自身を除く): 1043137215

約数列:

[1, 3, 7, 21, 7717, 12281, 23151, 36843, 54019, 85967, 162057, 257901, 94772477, 284317431, 663407339, 1990222017]

約数ペア:

[(1, 1990222017), (3, 663407339), (7, 284317431), (21, 94772477), (7717, 257901), (12281, 162057), (23151, 85967), (36843, 54019)]