6531915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:124

約数の個数: 64

約数和(自身を含む): 12418560

約数和(自身を除く): 5886645

約数列:

[1, 3, 5, 13, 15, 19, 39, 41, 43, 57, 65, 95, 123, 129, 195, 205, 215, 247, 285, 533, 559, 615, 645, 741, 779, 817, 1235, 1599, 1677, 1763, 2337, 2451, 2665, 2795, 3705, 3895, 4085, 5289, 7995, 8385, 8815, 10127, 10621, 11685, 12255, 22919, 26445, 30381, 31863, 33497, 50635, 53105, 68757, 100491, 114595, 151905, 159315, 167485, 343785, 435461, 502455, 1306383, 2177305, 6531915]

約数ペア:

[(1, 6531915), (3, 2177305), (5, 1306383), (13, 502455), (15, 435461), (19, 343785), (39, 167485), (41, 159315), (43, 151905), (57, 114595), (65, 100491), (95, 68757), (123, 53105), (129, 50635), (195, 33497), (205, 31863), (215, 30381), (247, 26445), (285, 22919), (533, 12255), (559, 11685), (615, 10621), (645, 10127), (741, 8815), (779, 8385), (817, 7995), (1235, 5289), (1599, 4085), (1677, 3895), (1763, 3705), (2337, 2795), (2451, 2665)]