398464137

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{398863}}^1$

素因数の和:398909

約数の個数: 16

約数和(自身を含む): 606273280

約数和(自身を除く): 207809143

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 398863, 1196589, 3589767, 10769301, 14757931, 44273793, 132821379, 398464137]

約数ペア:

[(1, 398464137), (3, 132821379), (9, 44273793), (27, 14757931), (37, 10769301), (111, 3589767), (333, 1196589), (999, 398863)]