81905214

素因数分解:

$2^1\times 3^1\times {\mathrm{313}}^1\times {\mathrm{43613}}^1$

素因数の和:43931

約数の個数: 16

約数和(自身を含む): 164337552

約数和(自身を除く): 82432338

約数列:

[1, 2, 3, 6, 313, 626, 939, 1878, 43613, 87226, 130839, 261678, 13650869, 27301738, 40952607, 81905214]

約数ペア:

[(1, 81905214), (2, 40952607), (3, 27301738), (6, 13650869), (313, 261678), (626, 130839), (939, 87226), (1878, 43613)]