811125

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{103}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 1687296

約数和(自身を除く): 876171

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 103, 105, 125, 175, 225, 309, 315, 375, 515, 525, 721, 875, 927, 1125, 1545, 1575, 2163, 2575, 2625, 3605, 4635, 6489, 7725, 7875, 10815, 12875, 18025, 23175, 32445, 38625, 54075, 90125, 115875, 162225, 270375, 811125]

約数ペア:

[(1, 811125), (3, 270375), (5, 162225), (7, 115875), (9, 90125), (15, 54075), (21, 38625), (25, 32445), (35, 23175), (45, 18025), (63, 12875), (75, 10815), (103, 7875), (105, 7725), (125, 6489), (175, 4635), (225, 3605), (309, 2625), (315, 2575), (375, 2163), (515, 1575), (525, 1545), (721, 1125), (875, 927)]