28810917

素因数分解:

$3^3\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2137

約数の個数: 16

約数和(自身を含む): 42768000

約数和(自身を除く): 13957083

約数列:

[1, 3, 9, 27, 809, 1319, 2427, 3957, 7281, 11871, 21843, 35613, 1067071, 3201213, 9603639, 28810917]

約数ペア:

[(1, 28810917), (3, 9603639), (9, 3201213), (27, 1067071), (809, 35613), (1319, 21843), (2427, 11871), (3957, 7281)]