87439581

素因数分解:

$3^4\times {\mathrm{439}}^1\times {\mathrm{2459}}^1$

素因数の和:2910

約数の個数: 20

約数和(自身を含む): 130970400

約数和(自身を除く): 43530819

約数列:

[1, 3, 9, 27, 81, 439, 1317, 2459, 3951, 7377, 11853, 22131, 35559, 66393, 199179, 1079501, 3238503, 9715509, 29146527, 87439581]

約数ペア:

[(1, 87439581), (3, 29146527), (9, 9715509), (27, 3238503), (81, 1079501), (439, 199179), (1317, 66393), (2459, 35559), (3951, 22131), (7377, 11853)]