27149619

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 15428301

約数列:

[1, 3, 7, 21, 71, 131, 139, 213, 393, 417, 497, 917, 973, 1491, 2751, 2919, 9301, 9869, 18209, 27903, 29607, 54627, 65107, 69083, 127463, 195321, 207249, 382389, 1292839, 3878517, 9049873, 27149619]

約数ペア:

[(1, 27149619), (3, 9049873), (7, 3878517), (21, 1292839), (71, 382389), (131, 207249), (139, 195321), (213, 127463), (393, 69083), (417, 65107), (497, 54627), (917, 29607), (973, 27903), (1491, 18209), (2751, 9869), (2919, 9301)]