1331569287

素因数分解:

$3^5\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{683}}^1$

素因数の和:882

約数の個数: 48

約数和(自身を含む): 2043595008

約数和(自身を除く): 712025721

約数列:

[1, 3, 9, 27, 71, 81, 113, 213, 243, 339, 639, 683, 1017, 1917, 2049, 3051, 5751, 6147, 8023, 9153, 17253, 18441, 24069, 27459, 48493, 55323, 72207, 77179, 145479, 165969, 216621, 231537, 436437, 649863, 694611, 1309311, 1949589, 2083833, 3927933, 5479709, 6251499, 11783799, 16439127, 18754497, 49317381, 147952143, 443856429, 1331569287]

約数ペア:

[(1, 1331569287), (3, 443856429), (9, 147952143), (27, 49317381), (71, 18754497), (81, 16439127), (113, 11783799), (213, 6251499), (243, 5479709), (339, 3927933), (639, 2083833), (683, 1949589), (1017, 1309311), (1917, 694611), (2049, 649863), (3051, 436437), (5751, 231537), (6147, 216621), (8023, 165969), (9153, 145479), (17253, 77179), (18441, 72207), (24069, 55323), (27459, 48493)]