219862461

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1117}}^1$

素因数の和:1250

約数の個数: 48

約数和(自身を含む): 371140224

約数和(自身を除く): 151277763

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 103, 147, 273, 309, 637, 721, 1117, 1339, 1911, 2163, 3351, 4017, 5047, 7819, 9373, 14521, 15141, 23457, 28119, 43563, 54733, 65611, 101647, 115051, 164199, 196833, 304941, 345153, 711529, 805357, 1495663, 2134587, 2416071, 4486989, 5637499, 10469641, 16912497, 31408923, 73287487, 219862461]

約数ペア:

[(1, 219862461), (3, 73287487), (7, 31408923), (13, 16912497), (21, 10469641), (39, 5637499), (49, 4486989), (91, 2416071), (103, 2134587), (147, 1495663), (273, 805357), (309, 711529), (637, 345153), (721, 304941), (1117, 196833), (1339, 164199), (1911, 115051), (2163, 101647), (3351, 65611), (4017, 54733), (5047, 43563), (7819, 28119), (9373, 23457), (14521, 15141)]