128174949

素因数分解:

$3^2\times 7^1\times {\mathrm{991}}^1\times {\mathrm{2053}}^1$

素因数の和:3057

約数の個数: 24

約数和(自身を含む): 211907072

約数和(自身を除く): 83732123

約数列:

[1, 3, 7, 9, 21, 63, 991, 2053, 2973, 6159, 6937, 8919, 14371, 18477, 20811, 43113, 62433, 129339, 2034523, 6103569, 14241661, 18310707, 42724983, 128174949]

約数ペア:

[(1, 128174949), (3, 42724983), (7, 18310707), (9, 14241661), (21, 6103569), (63, 2034523), (991, 129339), (2053, 62433), (2973, 43113), (6159, 20811), (6937, 18477), (8919, 14371)]