28560447

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1499}}^1$

素因数の和:1607

約数の個数: 24

約数和(自身を含む): 43290000

約数和(自身を除く): 14729553

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 1499, 2117, 4497, 6351, 13491, 19053, 43471, 109427, 130413, 328281, 391239, 984843, 3173383, 9520149, 28560447]

約数ペア:

[(1, 28560447), (3, 9520149), (9, 3173383), (29, 984843), (73, 391239), (87, 328281), (219, 130413), (261, 109427), (657, 43471), (1499, 19053), (2117, 13491), (4497, 6351)]