81885495

素因数分解:

$3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 133477632

約数和(自身を除く): 51592137

約数列:

[1, 3, 5, 15, 107, 163, 313, 321, 489, 535, 815, 939, 1565, 1605, 2445, 4695, 17441, 33491, 51019, 52323, 87205, 100473, 153057, 167455, 255095, 261615, 502365, 765285, 5459033, 16377099, 27295165, 81885495]

約数ペア:

[(1, 81885495), (3, 27295165), (5, 16377099), (15, 5459033), (107, 765285), (163, 502365), (313, 261615), (321, 255095), (489, 167455), (535, 153057), (815, 100473), (939, 87205), (1565, 52323), (1605, 51019), (2445, 33491), (4695, 17441)]