664779

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:206

約数の個数: 16

約数和(自身を含む): 935712

約数和(自身を除く): 270933

約数列:

[1, 3, 37, 53, 111, 113, 159, 339, 1961, 4181, 5883, 5989, 12543, 17967, 221593, 664779]

約数ペア:

[(1, 664779), (3, 221593), (37, 17967), (53, 12543), (111, 5989), (113, 5883), (159, 4181), (339, 1961)]