205657425

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 72

約数和(自身を含む): 393650400

約数和(自身を除く): 187992975

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 73, 75, 95, 171, 219, 225, 285, 365, 475, 657, 659, 855, 1095, 1387, 1425, 1825, 1977, 3285, 3295, 4161, 4275, 5475, 5931, 6935, 9885, 12483, 12521, 16425, 16475, 20805, 29655, 34675, 37563, 48107, 49425, 62415, 62605, 104025, 112689, 144321, 148275, 187815, 240535, 312075, 313025, 432963, 563445, 721605, 914033, 939075, 1202675, 2164815, 2742099, 2817225, 3608025, 4570165, 8226297, 10824075, 13710495, 22850825, 41131485, 68552475, 205657425]

約数ペア:

[(1, 205657425), (3, 68552475), (5, 41131485), (9, 22850825), (15, 13710495), (19, 10824075), (25, 8226297), (45, 4570165), (57, 3608025), (73, 2817225), (75, 2742099), (95, 2164815), (171, 1202675), (219, 939075), (225, 914033), (285, 721605), (365, 563445), (475, 432963), (657, 313025), (659, 312075), (855, 240535), (1095, 187815), (1387, 148275), (1425, 144321), (1825, 112689), (1977, 104025), (3285, 62605), (3295, 62415), (4161, 49425), (4275, 48107), (5475, 37563), (5931, 34675), (6935, 29655), (9885, 20805), (12483, 16475), (12521, 16425)]