208052208105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{1981449601}}^1$

素因数の和:1981449616

約数の個数: 16

約数和(自身を含む): 380438323584

約数和(自身を除く): 172386115479

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 1981449601, 5944348803, 9907248005, 13870147207, 29721744015, 41610441621, 69350736035, 208052208105]

約数ペア:

[(1, 208052208105), (3, 69350736035), (5, 41610441621), (7, 29721744015), (15, 13870147207), (21, 9907248005), (35, 5944348803), (105, 1981449601)]