431140239

素因数分解:

$3^4\times {\mathrm{1949}}^1\times {\mathrm{2731}}^1$

素因数の和:4692

約数の個数: 20

約数和(自身を含む): 644615400

約数和(自身を除く): 213475161

約数列:

[1, 3, 9, 27, 81, 1949, 2731, 5847, 8193, 17541, 24579, 52623, 73737, 157869, 221211, 5322719, 15968157, 47904471, 143713413, 431140239]

約数ペア:

[(1, 431140239), (3, 143713413), (9, 47904471), (27, 15968157), (81, 5322719), (1949, 221211), (2731, 157869), (5847, 73737), (8193, 52623), (17541, 24579)]