28269999

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{14747}}^1$

素因数の和:14827

約数の個数: 16

約数和(自身を含む): 42474240

約数和(自身を除く): 14204241

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 14747, 44241, 132723, 398169, 1047037, 3141111, 9423333, 28269999]

約数ペア:

[(1, 28269999), (3, 9423333), (9, 3141111), (27, 1047037), (71, 398169), (213, 132723), (639, 44241), (1917, 14747)]