201997131

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{34231}}^1$

素因数の和:34522

約数の個数: 16

約数和(自身を含む): 308909568

約数和(自身を除く): 106912437

約数列:

[1, 3, 7, 21, 281, 843, 1967, 5901, 34231, 102693, 239617, 718851, 9618911, 28856733, 67332377, 201997131]

約数ペア:

[(1, 201997131), (3, 67332377), (7, 28856733), (21, 9618911), (281, 718851), (843, 239617), (1967, 102693), (5901, 34231)]