66620961

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{74771}}^1$

素因数の和:74794

約数の個数: 20

約数和(自身を含む): 108568944

約数和(自身を除く): 41947983

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 74771, 224313, 672939, 822481, 2018817, 2467443, 6056451, 7402329, 22206987, 66620961]

約数ペア:

[(1, 66620961), (3, 22206987), (9, 7402329), (11, 6056451), (27, 2467443), (33, 2018817), (81, 822481), (99, 672939), (297, 224313), (891, 74771)]