131438211

素因数分解:

$3^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1\times {\mathrm{1657}}^1$

素因数の和:1990

約数の個数: 16

約数和(自身を含む): 177551904

約数和(自身を除く): 46113693

約数列:

[1, 3, 137, 193, 411, 579, 1657, 4971, 26441, 79323, 227009, 319801, 681027, 959403, 43812737, 131438211]

約数ペア:

[(1, 131438211), (3, 43812737), (137, 959403), (193, 681027), (411, 319801), (579, 227009), (1657, 79323), (4971, 26441)]