81095985

素因数分解:

$3^4\times 5^1\times {\mathrm{200237}}^1$

素因数の和:200254

約数の個数: 20

約数和(自身を含む): 145372788

約数和(自身を除く): 64276803

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 200237, 600711, 1001185, 1802133, 3003555, 5406399, 9010665, 16219197, 27031995, 81095985]

約数ペア:

[(1, 81095985), (3, 27031995), (5, 16219197), (9, 9010665), (15, 5406399), (27, 3003555), (45, 1802133), (81, 1001185), (135, 600711), (405, 200237)]