7897401

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 12265344

約数和(自身を除く): 4367943

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 727, 1207, 2181, 3621, 6543, 10863, 12359, 37077, 51617, 111231, 154851, 464553, 877489, 2632467, 7897401]

約数ペア:

[(1, 7897401), (3, 2632467), (9, 877489), (17, 464553), (51, 154851), (71, 111231), (153, 51617), (213, 37077), (639, 12359), (727, 10863), (1207, 6543), (2181, 3621)]