81704847

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{82781}}^1$

素因数の和:82838

約数の個数: 16

約数和(自身を含む): 127153152

約数和(自身を除く): 45448305

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 82781, 248343, 579467, 1738401, 3890707, 11672121, 27234949, 81704847]

約数ペア:

[(1, 81704847), (3, 27234949), (7, 11672121), (21, 3890707), (47, 1738401), (141, 579467), (329, 248343), (987, 82781)]