247480191

素因数分解:

$3^6\times 7^1\times {\mathrm{48497}}^1$

素因数の和:48522

約数の個数: 28

約数和(自身を含む): 424066512

約数和(自身を除く): 176586321

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 5103, 48497, 145491, 339479, 436473, 1018437, 1309419, 3055311, 3928257, 9165933, 11784771, 27497799, 35354313, 82493397, 247480191]

約数ペア:

[(1, 247480191), (3, 82493397), (7, 35354313), (9, 27497799), (21, 11784771), (27, 9165933), (63, 3928257), (81, 3055311), (189, 1309419), (243, 1018437), (567, 436473), (729, 339479), (1701, 145491), (5103, 48497)]