66809367

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{11617}}^1$

素因数の和:11700

約数の個数: 20

約数和(自身を含む): 101216016

約数和(自身を除く): 34406649

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 11617, 34851, 104553, 313659, 824807, 940977, 2474421, 7423263, 22269789, 66809367]

約数ペア:

[(1, 66809367), (3, 22269789), (9, 7423263), (27, 2474421), (71, 940977), (81, 824807), (213, 313659), (639, 104553), (1917, 34851), (5751, 11617)]