81503325

素因数分解:

$3^2\times 5^2\times {\mathrm{362237}}^1$

素因数の和:362253

約数の個数: 18

約数和(自身を含む): 145981914

約数和(自身を除く): 64478589

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 362237, 1086711, 1811185, 3260133, 5433555, 9055925, 16300665, 27167775, 81503325]

約数ペア:

[(1, 81503325), (3, 27167775), (5, 16300665), (9, 9055925), (15, 5433555), (25, 3260133), (45, 1811185), (75, 1086711), (225, 362237)]