197866431

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{11177}}^1$

素因数の和:11471

約数の個数: 24

約数和(自身を含む): 327828384

約数和(自身を除く): 129961953

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1967, 2529, 5901, 11177, 17703, 33531, 78239, 100593, 234717, 704151, 3140737, 9422211, 21985159, 28266633, 65955477, 197866431]

約数ペア:

[(1, 197866431), (3, 65955477), (7, 28266633), (9, 21985159), (21, 9422211), (63, 3140737), (281, 704151), (843, 234717), (1967, 100593), (2529, 78239), (5901, 33531), (11177, 17703)]