81881739

素因数分解:

$3^3\times {\mathrm{313}}^1\times {\mathrm{9689}}^1$

素因数の和:10011

約数の個数: 16

約数和(自身を含む): 121706400

約数和(自身を除く): 39824661

約数列:

[1, 3, 9, 27, 313, 939, 2817, 8451, 9689, 29067, 87201, 261603, 3032657, 9097971, 27293913, 81881739]

約数ペア:

[(1, 81881739), (3, 27293913), (9, 9097971), (27, 3032657), (313, 261603), (939, 87201), (2817, 29067), (8451, 9689)]