206507745

素因数分解:

$3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{11677}}^1$

素因数の和:11822

約数の個数: 32

約数和(自身を含む): 369959040

約数和(自身を除く): 163451295

約数列:

[1, 3, 5, 9, 15, 27, 45, 131, 135, 393, 655, 1179, 1965, 3537, 5895, 11677, 17685, 35031, 58385, 105093, 175155, 315279, 525465, 1529687, 1576395, 4589061, 7648435, 13767183, 22945305, 41301549, 68835915, 206507745]

約数ペア:

[(1, 206507745), (3, 68835915), (5, 41301549), (9, 22945305), (15, 13767183), (27, 7648435), (45, 4589061), (131, 1576395), (135, 1529687), (393, 525465), (655, 315279), (1179, 175155), (1965, 105093), (3537, 58385), (5895, 35031), (11677, 17685)]