81856281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{44657}}^1$

素因数の和:44720

約数の個数: 16

約数和(自身を含む): 120040704

約数和(自身を除く): 38184423

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 44657, 133971, 580541, 1741623, 2098879, 6296637, 27285427, 81856281]

約数ペア:

[(1, 81856281), (3, 27285427), (13, 6296637), (39, 2098879), (47, 1741623), (141, 580541), (611, 133971), (1833, 44657)]