27811623

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{811}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 44900352

約数和(自身を除く): 17088729

約数列:

[1, 3, 7, 21, 23, 69, 71, 161, 213, 483, 497, 811, 1491, 1633, 2433, 4899, 5677, 11431, 17031, 18653, 34293, 55959, 57581, 130571, 172743, 391713, 403067, 1209201, 1324363, 3973089, 9270541, 27811623]

約数ペア:

[(1, 27811623), (3, 9270541), (7, 3973089), (21, 1324363), (23, 1209201), (69, 403067), (71, 391713), (161, 172743), (213, 130571), (483, 57581), (497, 55959), (811, 34293), (1491, 18653), (1633, 17031), (2433, 11431), (4899, 5677)]