197991549

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{43051}}^1$

素因数の和:43137

約数の個数: 24

約数和(自身を含む): 331328192

約数和(自身を除く): 133336643

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 43051, 129153, 301357, 387459, 904071, 2712213, 3142723, 9428169, 21999061, 28284507, 65997183, 197991549]

約数ペア:

[(1, 197991549), (3, 65997183), (7, 28284507), (9, 21999061), (21, 9428169), (63, 3142723), (73, 2712213), (219, 904071), (511, 387459), (657, 301357), (1533, 129153), (4599, 43051)]