212901717

素因数分解:

$3^1\times 7^2\times {\mathrm{929}}^1\times {\mathrm{1559}}^1$

素因数の和:2505

約数の個数: 24

約数和(自身を含む): 330782400

約数和(自身を除く): 117880683

約数列:

[1, 3, 7, 21, 49, 147, 929, 1559, 2787, 4677, 6503, 10913, 19509, 32739, 45521, 76391, 136563, 229173, 1448311, 4344933, 10138177, 30414531, 70967239, 212901717]

約数ペア:

[(1, 212901717), (3, 70967239), (7, 30414531), (21, 10138177), (49, 4344933), (147, 1448311), (929, 229173), (1559, 136563), (2787, 76391), (4677, 45521), (6503, 32739), (10913, 19509)]