248711991

素因数分解:

$3^1\times {\mathrm{11}}^3\times {\mathrm{199}}^1\times {\mathrm{313}}^1$

素因数の和:548

約数の個数: 32

約数和(自身を含む): 367756800

約数和(自身を除く): 119044809

約数列:

[1, 3, 11, 33, 121, 199, 313, 363, 597, 939, 1331, 2189, 3443, 3993, 6567, 10329, 24079, 37873, 62287, 72237, 113619, 186861, 264869, 416603, 685157, 794607, 1249809, 2055471, 7536727, 22610181, 82903997, 248711991]

約数ペア:

[(1, 248711991), (3, 82903997), (11, 22610181), (33, 7536727), (121, 2055471), (199, 1249809), (313, 794607), (363, 685157), (597, 416603), (939, 264869), (1331, 186861), (2189, 113619), (3443, 72237), (3993, 62287), (6567, 37873), (10329, 24079)]