1557996849

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{186743}}^1$

素因数の和:186858

約数の個数: 20

約数和(自身を含む): 2349986496

約数和(自身を除く): 791989647

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 2781, 8343, 186743, 560229, 1680687, 5042061, 15126183, 19234529, 57703587, 173110761, 519332283, 1557996849]

約数ペア:

[(1, 1557996849), (3, 519332283), (9, 173110761), (27, 57703587), (81, 19234529), (103, 15126183), (309, 5042061), (927, 1680687), (2781, 560229), (8343, 186743)]