199897131

素因数分解:

$3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{9743}}^1$

素因数の和:10730

約数の個数: 16

約数和(自身を含む): 304948224

約数和(自身を除く): 105051093

約数列:

[1, 3, 7, 21, 977, 2931, 6839, 9743, 20517, 29229, 68201, 204603, 9518911, 28556733, 66632377, 199897131]

約数ペア:

[(1, 199897131), (3, 66632377), (7, 28556733), (21, 9518911), (977, 204603), (2931, 68201), (6839, 29229), (9743, 20517)]