53157789

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{17737}}^1$

素因数の和:17786

約数の個数: 20

約数和(自身を含む): 81559324

約数和(自身を除く): 28401535

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 17737, 53211, 159633, 478899, 656269, 1436697, 1968807, 5906421, 17719263, 53157789]

約数ペア:

[(1, 53157789), (3, 17719263), (9, 5906421), (27, 1968807), (37, 1436697), (81, 656269), (111, 478899), (333, 159633), (999, 53211), (2997, 17737)]