81791208

素因数分解:

$2^3\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1117}}^1$

素因数の和:1248

約数の個数: 80

約数和(自身を含む): 231325380

約数和(自身を除く): 149534172

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 113, 162, 216, 226, 324, 339, 452, 648, 678, 904, 1017, 1117, 1356, 2034, 2234, 2712, 3051, 3351, 4068, 4468, 6102, 6702, 8136, 8936, 9153, 10053, 12204, 13404, 18306, 20106, 24408, 26808, 30159, 36612, 40212, 60318, 73224, 80424, 90477, 120636, 126221, 180954, 241272, 252442, 361908, 378663, 504884, 723816, 757326, 1009768, 1135989, 1514652, 2271978, 3029304, 3407967, 4543956, 6815934, 9087912, 10223901, 13631868, 20447802, 27263736, 40895604, 81791208]

約数ペア:

[(1, 81791208), (2, 40895604), (3, 27263736), (4, 20447802), (6, 13631868), (8, 10223901), (9, 9087912), (12, 6815934), (18, 4543956), (24, 3407967), (27, 3029304), (36, 2271978), (54, 1514652), (72, 1135989), (81, 1009768), (108, 757326), (113, 723816), (162, 504884), (216, 378663), (226, 361908), (324, 252442), (339, 241272), (452, 180954), (648, 126221), (678, 120636), (904, 90477), (1017, 80424), (1117, 73224), (1356, 60318), (2034, 40212), (2234, 36612), (2712, 30159), (3051, 26808), (3351, 24408), (4068, 20106), (4468, 18306), (6102, 13404), (6702, 12204), (8136, 10053), (8936, 9153)]