28039155

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2659}}^1$

素因数の和:2723

約数の個数: 32

約数和(自身を含む): 48518400

約数和(自身を除く): 20479245

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 2659, 3515, 7977, 10545, 13295, 39885, 50521, 98383, 151563, 252605, 295149, 491915, 757815, 1475745, 1869277, 5607831, 9346385, 28039155]

約数ペア:

[(1, 28039155), (3, 9346385), (5, 5607831), (15, 1869277), (19, 1475745), (37, 757815), (57, 491915), (95, 295149), (111, 252605), (185, 151563), (285, 98383), (555, 50521), (703, 39885), (2109, 13295), (2659, 10545), (3515, 7977)]