2105025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 3999744

約数和(自身を除く): 1894719

約数列:

[1, 3, 5, 13, 15, 17, 25, 39, 51, 65, 75, 85, 127, 195, 221, 255, 325, 381, 425, 635, 663, 975, 1105, 1275, 1651, 1905, 2159, 3175, 3315, 4953, 5525, 6477, 8255, 9525, 10795, 16575, 24765, 28067, 32385, 41275, 53975, 84201, 123825, 140335, 161925, 421005, 701675, 2105025]

約数ペア:

[(1, 2105025), (3, 701675), (5, 421005), (13, 161925), (15, 140335), (17, 123825), (25, 84201), (39, 53975), (51, 41275), (65, 32385), (75, 28067), (85, 24765), (127, 16575), (195, 10795), (221, 9525), (255, 8255), (325, 6477), (381, 5525), (425, 4953), (635, 3315), (663, 3175), (975, 2159), (1105, 1905), (1275, 1651)]