129743451

素因数分解:

$3^4\times {\mathrm{821}}^1\times {\mathrm{1951}}^1$

素因数の和:2784

約数の個数: 20

約数和(自身を含む): 194149824

約数和(自身を除く): 64406373

約数列:

[1, 3, 9, 27, 81, 821, 1951, 2463, 5853, 7389, 17559, 22167, 52677, 66501, 158031, 1601771, 4805313, 14415939, 43247817, 129743451]

約数ペア:

[(1, 129743451), (3, 43247817), (9, 14415939), (27, 4805313), (81, 1601771), (821, 158031), (1951, 66501), (2463, 52677), (5853, 22167), (7389, 17559)]