9890811

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{8263}}^1$

素因数の和:8295

約数の個数: 24

約数和(自身を含む): 17189120

約数和(自身を除く): 7298309

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 8263, 24789, 57841, 74367, 156997, 173523, 470991, 520569, 1098979, 1412973, 3296937, 9890811]

約数ペア:

[(1, 9890811), (3, 3296937), (7, 1412973), (9, 1098979), (19, 520569), (21, 470991), (57, 173523), (63, 156997), (133, 74367), (171, 57841), (399, 24789), (1197, 8263)]