28297431

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{7433}}^1$

素因数の和:7492

約数の個数: 20

約数和(自身を含む): 43176672

約数和(自身を除く): 14879241

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 7433, 22299, 66897, 200691, 349351, 602073, 1048053, 3144159, 9432477, 28297431]

約数ペア:

[(1, 28297431), (3, 9432477), (9, 3144159), (27, 1048053), (47, 602073), (81, 349351), (141, 200691), (423, 66897), (1269, 22299), (3807, 7433)]