81760305

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:558

約数の個数: 48

約数和(自身を含む): 145478592

約数和(自身を除く): 63718287

約数列:

[1, 3, 5, 11, 15, 33, 55, 107, 121, 165, 321, 363, 421, 535, 605, 1177, 1263, 1605, 1815, 2105, 3531, 4631, 5885, 6315, 12947, 13893, 17655, 23155, 38841, 45047, 50941, 64735, 69465, 135141, 152823, 194205, 225235, 254705, 495517, 675705, 764115, 1486551, 2477585, 5450687, 7432755, 16352061, 27253435, 81760305]

約数ペア:

[(1, 81760305), (3, 27253435), (5, 16352061), (11, 7432755), (15, 5450687), (33, 2477585), (55, 1486551), (107, 764115), (121, 675705), (165, 495517), (321, 254705), (363, 225235), (421, 194205), (535, 152823), (605, 135141), (1177, 69465), (1263, 64735), (1605, 50941), (1815, 45047), (2105, 38841), (3531, 23155), (4631, 17655), (5885, 13893), (6315, 12947)]