28930125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 56070144

約数和(自身を除く): 27140019

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 107, 125, 175, 309, 321, 375, 515, 525, 535, 721, 749, 875, 1545, 1605, 2163, 2247, 2575, 2625, 2675, 3605, 3745, 7725, 8025, 10815, 11021, 11235, 12875, 13375, 18025, 18725, 33063, 38625, 40125, 54075, 55105, 56175, 77147, 90125, 93625, 165315, 231441, 270375, 275525, 280875, 385735, 826575, 1157205, 1377625, 1928675, 4132875, 5786025, 9643375, 28930125]

約数ペア:

[(1, 28930125), (3, 9643375), (5, 5786025), (7, 4132875), (15, 1928675), (21, 1377625), (25, 1157205), (35, 826575), (75, 385735), (103, 280875), (105, 275525), (107, 270375), (125, 231441), (175, 165315), (309, 93625), (321, 90125), (375, 77147), (515, 56175), (525, 55105), (535, 54075), (721, 40125), (749, 38625), (875, 33063), (1545, 18725), (1605, 18025), (2163, 13375), (2247, 12875), (2575, 11235), (2625, 11021), (2675, 10815), (3605, 8025), (3745, 7725)]