31383207

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 50948352

約数和(自身を除く): 19565145

約数列:

[1, 3, 9, 17, 27, 51, 71, 81, 107, 153, 213, 243, 321, 459, 639, 963, 1207, 1377, 1819, 1917, 2889, 3621, 4131, 5457, 5751, 7597, 8667, 10863, 16371, 17253, 22791, 26001, 32589, 49113, 68373, 97767, 129149, 147339, 205119, 293301, 387447, 442017, 615357, 1162341, 1846071, 3487023, 10461069, 31383207]

約数ペア:

[(1, 31383207), (3, 10461069), (9, 3487023), (17, 1846071), (27, 1162341), (51, 615357), (71, 442017), (81, 387447), (107, 293301), (153, 205119), (213, 147339), (243, 129149), (321, 97767), (459, 68373), (639, 49113), (963, 32589), (1207, 26001), (1377, 22791), (1819, 17253), (1917, 16371), (2889, 10863), (3621, 8667), (4131, 7597), (5457, 5751)]