247492881

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1783}}^1$

素因数の和:1942

約数の個数: 32

約数和(自身を含む): 377637120

約数和(自身を除く): 130144239

約数列:

[1, 3, 9, 27, 53, 97, 159, 291, 477, 873, 1431, 1783, 2619, 5141, 5349, 15423, 16047, 46269, 48141, 94499, 138807, 172951, 283497, 518853, 850491, 1556559, 2551473, 4669677, 9166403, 27499209, 82497627, 247492881]

約数ペア:

[(1, 247492881), (3, 82497627), (9, 27499209), (27, 9166403), (53, 4669677), (97, 2551473), (159, 1556559), (291, 850491), (477, 518853), (873, 283497), (1431, 172951), (1783, 138807), (2619, 94499), (5141, 48141), (5349, 46269), (15423, 16047)]