81259407

素因数分解:

$3^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:871

約数の個数: 24

約数和(自身を含む): 119643888

約数和(自身を除く): 38384481

約数列:

[1, 3, 9, 83, 181, 249, 543, 601, 747, 1629, 1803, 5409, 15023, 45069, 49883, 108781, 135207, 149649, 326343, 448947, 979029, 9028823, 27086469, 81259407]

約数ペア:

[(1, 81259407), (3, 27086469), (9, 9028823), (83, 979029), (181, 448947), (249, 326343), (543, 149649), (601, 135207), (747, 108781), (1629, 49883), (1803, 45069), (5409, 15023)]