85192821

素因数分解:

$3^2\times 7^2\times {\mathrm{193181}}^1$

素因数の和:193201

約数の個数: 18

約数和(自身を含む): 143147862

約数和(自身を除く): 57955041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 193181, 579543, 1352267, 1738629, 4056801, 9465869, 12170403, 28397607, 85192821]

約数ペア:

[(1, 85192821), (3, 28397607), (7, 12170403), (9, 9465869), (21, 4056801), (49, 1738629), (63, 1352267), (147, 579543), (441, 193181)]