81481173

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{3307}}^1$

素因数の和:3544

約数の個数: 16

約数和(自身を含む): 111783936

約数和(自身を除く): 30302763

約数列:

[1, 3, 43, 129, 191, 573, 3307, 8213, 9921, 24639, 142201, 426603, 631637, 1894911, 27160391, 81481173]

約数ペア:

[(1, 81481173), (3, 27160391), (43, 1894911), (129, 631637), (191, 426603), (573, 142201), (3307, 24639), (8213, 9921)]