2087408079

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{438439}}^1$

素因数の和:438491

約数の個数: 18

約数和(自身を含む): 3151945160

約数和(自身を除く): 1064537081

約数列:

[1, 3, 9, 23, 69, 207, 529, 1587, 4761, 438439, 1315317, 3945951, 10084097, 30252291, 90756873, 231934231, 695802693, 2087408079]

約数ペア:

[(1, 2087408079), (3, 695802693), (9, 231934231), (23, 90756873), (69, 30252291), (207, 10084097), (529, 3945951), (1587, 1315317), (4761, 438439)]