328061391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{5237}}^1$

素因数の和:5423

約数の個数: 32

約数和(自身を含む): 529666560

約数和(自身を除く): 201605169

約数列:

[1, 3, 7, 19, 21, 57, 133, 157, 399, 471, 1099, 2983, 3297, 5237, 8949, 15711, 20881, 36659, 62643, 99503, 109977, 298509, 696521, 822209, 2089563, 2466627, 5755463, 15621971, 17266389, 46865913, 109353797, 328061391]

約数ペア:

[(1, 328061391), (3, 109353797), (7, 46865913), (19, 17266389), (21, 15621971), (57, 5755463), (133, 2466627), (157, 2089563), (399, 822209), (471, 696521), (1099, 298509), (2983, 109977), (3297, 99503), (5237, 62643), (8949, 36659), (15711, 20881)]