85909257

素因数分解:

$3^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{3863}}^1$

素因数の和:4229

約数の個数: 24

約数和(自身を含む): 142257024

約数和(自身を除く): 56347767

約数列:

[1, 3, 7, 9, 21, 63, 353, 1059, 2471, 3177, 3863, 7413, 11589, 22239, 27041, 34767, 81123, 243369, 1363639, 4090917, 9545473, 12272751, 28636419, 85909257]

約数ペア:

[(1, 85909257), (3, 28636419), (7, 12272751), (9, 9545473), (21, 4090917), (63, 1363639), (353, 243369), (1059, 81123), (2471, 34767), (3177, 27041), (3863, 22239), (7413, 11589)]