4391121

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{991}}^1$

素因数の和:1212

約数の個数: 16

約数和(自身を含む): 6729728

約数和(自身を除く): 2338607

約数列:

[1, 3, 7, 21, 211, 633, 991, 1477, 2973, 4431, 6937, 20811, 209101, 627303, 1463707, 4391121]

約数ペア:

[(1, 4391121), (3, 1463707), (7, 627303), (21, 209101), (211, 20811), (633, 6937), (991, 4431), (1477, 2973)]