28209303

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{6571}}^1$

素因数の和:6636

約数の個数: 20

約数和(自身を含む): 42941448

約数和(自身を除く): 14732145

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 6571, 19713, 59139, 177417, 348263, 532251, 1044789, 3134367, 9403101, 28209303]

約数ペア:

[(1, 28209303), (3, 9403101), (9, 3134367), (27, 1044789), (53, 532251), (81, 348263), (159, 177417), (477, 59139), (1431, 19713), (4293, 6571)]