398727177

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 571822080

約数和(自身を除く): 173094903

約数列:

[1, 3, 29, 31, 87, 93, 163, 489, 899, 907, 2697, 2721, 4727, 5053, 14181, 15159, 26303, 28117, 78909, 84351, 146537, 147841, 439611, 443523, 815393, 2446179, 4287389, 4583071, 12862167, 13749213, 132909059, 398727177]

約数ペア:

[(1, 398727177), (3, 132909059), (29, 13749213), (31, 12862167), (87, 4583071), (93, 4287389), (163, 2446179), (489, 815393), (899, 443523), (907, 439611), (2697, 147841), (2721, 146537), (4727, 84351), (5053, 78909), (14181, 28117), (15159, 26303)]