215821489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{433}}^1\times {\mathrm{1667}}^1$

素因数の和:2136

約数の個数: 16

約数和(自身を含む): 243234432

約数和(自身を除く): 27412943

約数列:

[1, 13, 23, 299, 433, 1667, 5629, 9959, 21671, 38341, 129467, 498433, 721811, 9383543, 16601653, 215821489]

約数ペア:

[(1, 215821489), (13, 16601653), (23, 9383543), (299, 721811), (433, 498433), (1667, 129467), (5629, 38341), (9959, 21671)]