554057199

素因数分解:

$3^3\times {\mathrm{991}}^1\times {\mathrm{20707}}^1$

素因数の和:21707

約数の個数: 16

約数和(自身を含む): 821693440

約数和(自身を除く): 267636241

約数列:

[1, 3, 9, 27, 991, 2973, 8919, 20707, 26757, 62121, 186363, 559089, 20520637, 61561911, 184685733, 554057199]

約数ペア:

[(1, 554057199), (3, 184685733), (9, 61561911), (27, 20520637), (991, 559089), (2973, 186363), (8919, 62121), (20707, 26757)]