12853911

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 20487168

約数和(自身を除く): 7633257

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 233, 259, 497, 699, 777, 1491, 1631, 2627, 4893, 7881, 8621, 16543, 18389, 25863, 49629, 55167, 60347, 115801, 181041, 347403, 612091, 1836273, 4284637, 12853911]

約数ペア:

[(1, 12853911), (3, 4284637), (7, 1836273), (21, 612091), (37, 347403), (71, 181041), (111, 115801), (213, 60347), (233, 55167), (259, 49629), (497, 25863), (699, 18389), (777, 16543), (1491, 8621), (1631, 7881), (2627, 4893)]