81930879

素因数分解:

$3^3\times {\mathrm{569}}^1\times {\mathrm{5333}}^1$

素因数の和:5911

約数の個数: 16

約数和(自身を含む): 121615200

約数和(自身を除く): 39684321

約数列:

[1, 3, 9, 27, 569, 1707, 5121, 5333, 15363, 15999, 47997, 143991, 3034477, 9103431, 27310293, 81930879]

約数ペア:

[(1, 81930879), (3, 27310293), (9, 9103431), (27, 3034477), (569, 143991), (1707, 47997), (5121, 15999), (5333, 15363)]