689067

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:240

約数の個数: 20

約数和(自身を含む): 1057056

約数和(自身を除く): 367989

約数列:

[1, 3, 9, 27, 47, 81, 141, 181, 423, 543, 1269, 1629, 3807, 4887, 8507, 14661, 25521, 76563, 229689, 689067]

約数ペア:

[(1, 689067), (3, 229689), (9, 76563), (27, 25521), (47, 14661), (81, 8507), (141, 4887), (181, 3807), (423, 1629), (543, 1269)]