287492031

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{145861}}^1$

素因数の和:145943

約数の個数: 16

約数和(自身を含む): 431751520

約数和(自身を除く): 144259489

約数列:

[1, 3, 9, 27, 73, 219, 657, 1971, 145861, 437583, 1312749, 3938247, 10647853, 31943559, 95830677, 287492031]

約数ペア:

[(1, 287492031), (3, 95830677), (9, 31943559), (27, 10647853), (73, 3938247), (219, 1312749), (657, 437583), (1971, 145861)]