209568255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1074709}}^1$

素因数の和:1074730

約数の個数: 16

約数和(自身を含む): 361102560

約数和(自身を除く): 151534305

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1074709, 3224127, 5373545, 13971217, 16120635, 41913651, 69856085, 209568255]

約数ペア:

[(1, 209568255), (3, 69856085), (5, 41913651), (13, 16120635), (15, 13971217), (39, 5373545), (65, 3224127), (195, 1074709)]