208038375

素因数分解:

$3^7\times 5^3\times {\mathrm{761}}^1$

素因数の和:797

約数の個数: 64

約数和(自身を含む): 389900160

約数和(自身を除く): 181861785

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 125, 135, 225, 243, 375, 405, 675, 729, 761, 1125, 1215, 2025, 2187, 2283, 3375, 3645, 3805, 6075, 6849, 10125, 10935, 11415, 18225, 19025, 20547, 30375, 34245, 54675, 57075, 61641, 91125, 95125, 102735, 171225, 184923, 273375, 285375, 308205, 513675, 554769, 856125, 924615, 1541025, 1664307, 2568375, 2773845, 4623075, 7705125, 8321535, 13869225, 23115375, 41607675, 69346125, 208038375]

約数ペア:

[(1, 208038375), (3, 69346125), (5, 41607675), (9, 23115375), (15, 13869225), (25, 8321535), (27, 7705125), (45, 4623075), (75, 2773845), (81, 2568375), (125, 1664307), (135, 1541025), (225, 924615), (243, 856125), (375, 554769), (405, 513675), (675, 308205), (729, 285375), (761, 273375), (1125, 184923), (1215, 171225), (2025, 102735), (2187, 95125), (2283, 91125), (3375, 61641), (3645, 57075), (3805, 54675), (6075, 34245), (6849, 30375), (10125, 20547), (10935, 19025), (11415, 18225)]