86990697

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{193}}^1\times {\mathrm{821}}^1$

素因数の和:1081

約数の個数: 24

約数和(自身を含む): 128531208

約数和(自身を除く): 41540511

約数列:

[1, 3, 9, 61, 183, 193, 549, 579, 821, 1737, 2463, 7389, 11773, 35319, 50081, 105957, 150243, 158453, 450729, 475359, 1426077, 9665633, 28996899, 86990697]

約数ペア:

[(1, 86990697), (3, 28996899), (9, 9665633), (61, 1426077), (183, 475359), (193, 450729), (549, 158453), (579, 150243), (821, 105957), (1737, 50081), (2463, 35319), (7389, 11773)]