718432821

素因数分解:

$3^4\times {\mathrm{2909}}^1\times {\mathrm{3049}}^1$

素因数の和:5970

約数の個数: 20

約数和(自身を含む): 1073935500

約数和(自身を除く): 355502679

約数列:

[1, 3, 9, 27, 81, 2909, 3049, 8727, 9147, 26181, 27441, 78543, 82323, 235629, 246969, 8869541, 26608623, 79825869, 239477607, 718432821]

約数ペア:

[(1, 718432821), (3, 239477607), (9, 79825869), (27, 26608623), (81, 8869541), (2909, 246969), (3049, 235629), (8727, 82323), (9147, 78543), (26181, 27441)]