81145113

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{20021}}^1$

素因数の和:20224

約数の個数: 16

約数和(自身を含む): 124296576

約数和(自身を除く): 43151463

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 20021, 60063, 140147, 420441, 3864053, 11592159, 27048371, 81145113]

約数ペア:

[(1, 81145113), (3, 27048371), (7, 11592159), (21, 3864053), (193, 420441), (579, 140147), (1351, 60063), (4053, 20021)]