201372561

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{191237}}^1$

素因数の和:191262

約数の個数: 20

約数和(自身を含む): 323957172

約数和(自身を除く): 122584611

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 191237, 573711, 1721133, 2486081, 5163399, 7458243, 15490197, 22374729, 67124187, 201372561]

約数ペア:

[(1, 201372561), (3, 67124187), (9, 22374729), (13, 15490197), (27, 7458243), (39, 5163399), (81, 2486081), (117, 1721133), (351, 573711), (1053, 191237)]