28201365

素因数分解:

$3^7\times 5^1\times {\mathrm{2579}}^1$

素因数の和:2605

約数の個数: 32

約数和(自身を含む): 50774400

約数和(自身を除く): 22573035

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 2187, 2579, 3645, 7737, 10935, 12895, 23211, 38685, 69633, 116055, 208899, 348165, 626697, 1044495, 1880091, 3133485, 5640273, 9400455, 28201365]

約数ペア:

[(1, 28201365), (3, 9400455), (5, 5640273), (9, 3133485), (15, 1880091), (27, 1044495), (45, 626697), (81, 348165), (135, 208899), (243, 116055), (405, 69633), (729, 38685), (1215, 23211), (2187, 12895), (2579, 10935), (3645, 7737)]