81747009

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{9551}}^1$

素因数の和:9877

約数の個数: 16

約数和(自身を含む): 121501440

約数和(自身を除く): 39754431

約数列:

[1, 3, 9, 27, 317, 951, 2853, 8559, 9551, 28653, 85959, 257877, 3027667, 9083001, 27249003, 81747009]

約数ペア:

[(1, 81747009), (3, 27249003), (9, 9083001), (27, 3027667), (317, 257877), (951, 85959), (2853, 28653), (8559, 9551)]