13393317

素因数分解:

$3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{509}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 20930400

約数和(自身を除く): 7537083

約数列:

[1, 3, 7, 21, 49, 147, 179, 509, 537, 1253, 1527, 3563, 3759, 8771, 10689, 24941, 26313, 74823, 91111, 273333, 637777, 1913331, 4464439, 13393317]

約数ペア:

[(1, 13393317), (3, 4464439), (7, 1913331), (21, 637777), (49, 273333), (147, 91111), (179, 74823), (509, 26313), (537, 24941), (1253, 10689), (1527, 8771), (3563, 3759)]