687366

素因数分解:

$2^1\times 3^4\times {\mathrm{4243}}^1$

素因数の和:4257

約数の個数: 20

約数和(自身を含む): 1540572

約数和(自身を除く): 853206

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 4243, 8486, 12729, 25458, 38187, 76374, 114561, 229122, 343683, 687366]

約数ペア:

[(1, 687366), (2, 343683), (3, 229122), (6, 114561), (9, 76374), (18, 38187), (27, 25458), (54, 12729), (81, 8486), (162, 4243)]