57428847

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:468

約数の個数: 48

約数和(自身を含む): 99021312

約数和(自身を除く): 41592465

約数列:

[1, 3, 7, 9, 21, 37, 63, 71, 111, 213, 259, 333, 347, 497, 639, 777, 1041, 1491, 2331, 2429, 2627, 3123, 4473, 7287, 7881, 12839, 18389, 21861, 23643, 24637, 38517, 55167, 73911, 89873, 115551, 165501, 172459, 221733, 269619, 517377, 808857, 911569, 1552131, 2734707, 6380983, 8204121, 19142949, 57428847]

約数ペア:

[(1, 57428847), (3, 19142949), (7, 8204121), (9, 6380983), (21, 2734707), (37, 1552131), (63, 911569), (71, 808857), (111, 517377), (213, 269619), (259, 221733), (333, 172459), (347, 165501), (497, 115551), (639, 89873), (777, 73911), (1041, 55167), (1491, 38517), (2331, 24637), (2429, 23643), (2627, 21861), (3123, 18389), (4473, 12839), (7287, 7881)]