208020045

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{478207}}^1$

素因数の和:478244

約数の個数: 16

約数和(自身を含む): 344309760

約数和(自身を除く): 136289715

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 478207, 1434621, 2391035, 7173105, 13868003, 41604009, 69340015, 208020045]

約数ペア:

[(1, 208020045), (3, 69340015), (5, 41604009), (15, 13868003), (29, 7173105), (87, 2391035), (145, 1434621), (435, 478207)]