18206781

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{379}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 24806400

約数和(自身を除く): 6599619

約数列:

[1, 3, 67, 201, 239, 379, 717, 1137, 16013, 25393, 48039, 76179, 90581, 271743, 6068927, 18206781]

約数ペア:

[(1, 18206781), (3, 6068927), (67, 271743), (201, 90581), (239, 76179), (379, 48039), (717, 25393), (1137, 16013)]