138341763

素因数分解:

$3^4\times 7^1\times {\mathrm{243989}}^1$

素因数の和:244008

約数の個数: 20

約数和(自身を含む): 236182320

約数和(自身を除く): 97840557

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 243989, 731967, 1707923, 2195901, 5123769, 6587703, 15371307, 19763109, 46113921, 138341763]

約数ペア:

[(1, 138341763), (3, 46113921), (7, 19763109), (9, 15371307), (21, 6587703), (27, 5123769), (63, 2195901), (81, 1707923), (189, 731967), (567, 243989)]