209915118

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{79333}}^1$

素因数の和:79358

約数の個数: 48

約数和(自身を含む): 542644560

約数和(自身を除く): 332729442

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 79333, 158666, 237999, 475998, 555331, 713997, 1110662, 1427994, 1665993, 2141991, 3331986, 3887317, 4283982, 4997979, 7774634, 9995958, 11661951, 14993937, 23323902, 29987874, 34985853, 69971706, 104957559, 209915118]

約数ペア:

[(1, 209915118), (2, 104957559), (3, 69971706), (6, 34985853), (7, 29987874), (9, 23323902), (14, 14993937), (18, 11661951), (21, 9995958), (27, 7774634), (42, 4997979), (49, 4283982), (54, 3887317), (63, 3331986), (98, 2141991), (126, 1665993), (147, 1427994), (189, 1110662), (294, 713997), (378, 555331), (441, 475998), (882, 237999), (1323, 158666), (2646, 79333)]