85972257

素因数分解:

$3^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{2713}}^1$

素因数の和:3229

約数の個数: 24

約数和(自身を含む): 142257024

約数和(自身を除く): 56284767

約数列:

[1, 3, 7, 9, 21, 63, 503, 1509, 2713, 3521, 4527, 8139, 10563, 18991, 24417, 31689, 56973, 170919, 1364639, 4093917, 9552473, 12281751, 28657419, 85972257]

約数ペア:

[(1, 85972257), (3, 28657419), (7, 12281751), (9, 9552473), (21, 4093917), (63, 1364639), (503, 170919), (1509, 56973), (2713, 31689), (3521, 24417), (4527, 18991), (8139, 10563)]