204920295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{803609}}^1$

素因数の和:803634

約数の個数: 16

約数和(自身を含む): 347159520

約数和(自身を除く): 142239225

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 803609, 2410827, 4018045, 12054135, 13661353, 40984059, 68306765, 204920295]

約数ペア:

[(1, 204920295), (3, 68306765), (5, 40984059), (15, 13661353), (17, 12054135), (51, 4018045), (85, 2410827), (255, 803609)]