13279389

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 18230784

約数和(自身を除く): 4951395

約数列:

[1, 3, 43, 129, 311, 331, 933, 993, 13373, 14233, 40119, 42699, 102941, 308823, 4426463, 13279389]

約数ペア:

[(1, 13279389), (3, 4426463), (43, 308823), (129, 102941), (311, 42699), (331, 40119), (933, 14233), (993, 13373)]