208048071

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{128663}}^1$

素因数の和:128691

約数の個数: 24

約数和(自身を含む): 352024704

約数和(自身を除く): 143976633

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 128663, 385989, 900641, 1415293, 2701923, 4245879, 6304487, 9907051, 18913461, 29721153, 69349357, 208048071]

約数ペア:

[(1, 208048071), (3, 69349357), (7, 29721153), (11, 18913461), (21, 9907051), (33, 6304487), (49, 4245879), (77, 2701923), (147, 1415293), (231, 900641), (539, 385989), (1617, 128663)]