31454487

素因数分解:

$3^4\times {\mathrm{257}}^1\times {\mathrm{1511}}^1$

素因数の和:1780

約数の個数: 20

約数和(自身を含む): 47201616

約数和(自身を除く): 15747129

約数列:

[1, 3, 9, 27, 81, 257, 771, 1511, 2313, 4533, 6939, 13599, 20817, 40797, 122391, 388327, 1164981, 3494943, 10484829, 31454487]

約数ペア:

[(1, 31454487), (3, 10484829), (9, 3494943), (27, 1164981), (81, 388327), (257, 122391), (771, 40797), (1511, 20817), (2313, 13599), (4533, 6939)]