243371681

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:849

約数の個数: 24

約数和(自身を含む): 292487976

約数和(自身を除く): 49116295

約数列:

[1, 7, 37, 49, 241, 259, 557, 1687, 1813, 3899, 8917, 11809, 20609, 27293, 62419, 134237, 144263, 436933, 939659, 1009841, 4966769, 6577613, 34767383, 243371681]

約数ペア:

[(1, 243371681), (7, 34767383), (37, 6577613), (49, 4966769), (241, 1009841), (259, 939659), (557, 436933), (1687, 144263), (1813, 134237), (3899, 62419), (8917, 27293), (11809, 20609)]