215682621

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{4993}}^1$

素因数の和:5042

約数の個数: 48

約数和(自身を含む): 382580352

約数和(自身を除く): 166897731

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 121, 187, 231, 357, 363, 561, 847, 1309, 2057, 2541, 3927, 4993, 6171, 14399, 14979, 34951, 43197, 54923, 84881, 104853, 164769, 254643, 384461, 594167, 604153, 933691, 1153383, 1782501, 1812459, 2801073, 4229071, 6535837, 10270601, 12687213, 19607511, 30811803, 71894207, 215682621]

約数ペア:

[(1, 215682621), (3, 71894207), (7, 30811803), (11, 19607511), (17, 12687213), (21, 10270601), (33, 6535837), (51, 4229071), (77, 2801073), (119, 1812459), (121, 1782501), (187, 1153383), (231, 933691), (357, 604153), (363, 594167), (561, 384461), (847, 254643), (1309, 164769), (2057, 104853), (2541, 84881), (3927, 54923), (4993, 43197), (6171, 34951), (14399, 14979)]