209001045

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:610

約数の個数: 64

約数和(自身を含む): 387302400

約数和(自身を除く): 178301355

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 163, 165, 209, 285, 409, 489, 627, 815, 1045, 1227, 1793, 2045, 2445, 3097, 3135, 4499, 5379, 6135, 7771, 8965, 9291, 13497, 15485, 22495, 23313, 26895, 34067, 38855, 46455, 66667, 67485, 85481, 102201, 116565, 170335, 200001, 256443, 333335, 427405, 511005, 733337, 1000005, 1266673, 1282215, 2200011, 3666685, 3800019, 6333365, 11000055, 13933403, 19000095, 41800209, 69667015, 209001045]

約数ペア:

[(1, 209001045), (3, 69667015), (5, 41800209), (11, 19000095), (15, 13933403), (19, 11000055), (33, 6333365), (55, 3800019), (57, 3666685), (95, 2200011), (163, 1282215), (165, 1266673), (209, 1000005), (285, 733337), (409, 511005), (489, 427405), (627, 333335), (815, 256443), (1045, 200001), (1227, 170335), (1793, 116565), (2045, 102201), (2445, 85481), (3097, 67485), (3135, 66667), (4499, 46455), (5379, 38855), (6135, 34067), (7771, 26895), (8965, 23313), (9291, 22495), (13497, 15485)]