87787725

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{167}}^1$

素因数の和:386

約数の個数: 48

約数和(自身を含む): 150323712

約数和(自身を除く): 62535987

約数列:

[1, 3, 5, 15, 25, 43, 75, 129, 163, 167, 215, 489, 501, 645, 815, 835, 1075, 2445, 2505, 3225, 4075, 4175, 7009, 7181, 12225, 12525, 21027, 21543, 27221, 35045, 35905, 81663, 105135, 107715, 136105, 175225, 179525, 408315, 525675, 538575, 680525, 1170503, 2041575, 3511509, 5852515, 17557545, 29262575, 87787725]

約数ペア:

[(1, 87787725), (3, 29262575), (5, 17557545), (15, 5852515), (25, 3511509), (43, 2041575), (75, 1170503), (129, 680525), (163, 538575), (167, 525675), (215, 408315), (489, 179525), (501, 175225), (645, 136105), (815, 107715), (835, 105135), (1075, 81663), (2445, 35905), (2505, 35045), (3225, 27221), (4075, 21543), (4175, 21027), (7009, 12525), (7181, 12225)]