8553321

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{991}}^1$

素因数の和:1141

約数の個数: 24

約数和(自身を含む): 14237184

約数和(自身を除く): 5683863

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 991, 1233, 2877, 2973, 6937, 8631, 8919, 20811, 62433, 135767, 407301, 950369, 1221903, 2851107, 8553321]

約数ペア:

[(1, 8553321), (3, 2851107), (7, 1221903), (9, 950369), (21, 407301), (63, 135767), (137, 62433), (411, 20811), (959, 8919), (991, 8631), (1233, 6937), (2877, 2973)]