198679761

素因数分解:

$3^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1753}}^1$

素因数の和:2030

約数の個数: 36

約数和(自身を含む): 335326212

約数和(自身を除く): 136646451

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 257, 441, 771, 1753, 1799, 2313, 5259, 5397, 12271, 12593, 15777, 16191, 36813, 37779, 85897, 110439, 113337, 257691, 450521, 773073, 1351563, 3153647, 4054689, 9460941, 22075529, 28382823, 66226587, 198679761]

約数ペア:

[(1, 198679761), (3, 66226587), (7, 28382823), (9, 22075529), (21, 9460941), (49, 4054689), (63, 3153647), (147, 1351563), (257, 773073), (441, 450521), (771, 257691), (1753, 113337), (1799, 110439), (2313, 85897), (5259, 37779), (5397, 36813), (12271, 16191), (12593, 15777)]