87561975

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1429}}^1$

素因数の和:1504

約数の個数: 48

約数和(自身を含む): 156041600

約数和(自身を除く): 68479625

約数列:

[1, 3, 5, 15, 19, 25, 43, 57, 75, 95, 129, 215, 285, 475, 645, 817, 1075, 1425, 1429, 2451, 3225, 4085, 4287, 7145, 12255, 20425, 21435, 27151, 35725, 61275, 61447, 81453, 107175, 135755, 184341, 307235, 407265, 678775, 921705, 1167493, 1536175, 2036325, 3502479, 4608525, 5837465, 17512395, 29187325, 87561975]

約数ペア:

[(1, 87561975), (3, 29187325), (5, 17512395), (15, 5837465), (19, 4608525), (25, 3502479), (43, 2036325), (57, 1536175), (75, 1167493), (95, 921705), (129, 678775), (215, 407265), (285, 307235), (475, 184341), (645, 135755), (817, 107175), (1075, 81453), (1425, 61447), (1429, 61275), (2451, 35725), (3225, 27151), (4085, 21435), (4287, 20425), (7145, 12255)]