25208739

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{18307}}^1$

素因数の和:18336

約数の個数: 20

約数和(自身を含む): 39874824

約数和(自身を除く): 14666085

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 18307, 54921, 164763, 311219, 494289, 933657, 1482867, 2800971, 8402913, 25208739]

約数ペア:

[(1, 25208739), (3, 8402913), (9, 2800971), (17, 1482867), (27, 933657), (51, 494289), (81, 311219), (153, 164763), (459, 54921), (1377, 18307)]