81471825

素因数分解:

$3^5\times 5^2\times {\mathrm{13411}}^1$

素因数の和:13436

約数の個数: 36

約数和(自身を含む): 151341008

約数和(自身を除く): 69869183

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 675, 1215, 2025, 6075, 13411, 40233, 67055, 120699, 201165, 335275, 362097, 603495, 1005825, 1086291, 1810485, 3017475, 3258873, 5431455, 9052425, 16294365, 27157275, 81471825]

約数ペア:

[(1, 81471825), (3, 27157275), (5, 16294365), (9, 9052425), (15, 5431455), (25, 3258873), (27, 3017475), (45, 1810485), (75, 1086291), (81, 1005825), (135, 603495), (225, 362097), (243, 335275), (405, 201165), (675, 120699), (1215, 67055), (2025, 40233), (6075, 13411)]