51312321

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{1109}}^1$

素因数の和:1265

約数の個数: 24

約数和(自身を含む): 76363560

約数和(自身を除く): 25051239

約数列:

[1, 3, 9, 53, 97, 159, 291, 477, 873, 1109, 3327, 5141, 9981, 15423, 46269, 58777, 107573, 176331, 322719, 528993, 968157, 5701369, 17104107, 51312321]

約数ペア:

[(1, 51312321), (3, 17104107), (9, 5701369), (53, 968157), (97, 528993), (159, 322719), (291, 176331), (477, 107573), (873, 58777), (1109, 46269), (3327, 15423), (5141, 9981)]