287454975

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 485302272

約数和(自身を除く): 197847297

約数列:

[1, 3, 5, 15, 25, 75, 103, 127, 293, 309, 381, 515, 635, 879, 1465, 1545, 1905, 2575, 3175, 4395, 7325, 7725, 9525, 13081, 21975, 30179, 37211, 39243, 65405, 90537, 111633, 150895, 186055, 196215, 327025, 452685, 558165, 754475, 930275, 981075, 2263425, 2790825, 3832733, 11498199, 19163665, 57490995, 95818325, 287454975]

約数ペア:

[(1, 287454975), (3, 95818325), (5, 57490995), (15, 19163665), (25, 11498199), (75, 3832733), (103, 2790825), (127, 2263425), (293, 981075), (309, 930275), (381, 754475), (515, 558165), (635, 452685), (879, 327025), (1465, 196215), (1545, 186055), (1905, 150895), (2575, 111633), (3175, 90537), (4395, 65405), (7325, 39243), (7725, 37211), (9525, 30179), (13081, 21975)]