28563087

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19157}}^1$

素因数の和:19238

約数の個数: 16

約数和(自身を含む): 44140032

約数和(自身を除く): 15576945

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19157, 57471, 134099, 402297, 1360147, 4080441, 9521029, 28563087]

約数ペア:

[(1, 28563087), (3, 9521029), (7, 4080441), (21, 1360147), (71, 402297), (213, 134099), (497, 57471), (1491, 19157)]