209802255

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1075909}}^1$

素因数の和:1075930

約数の個数: 16

約数和(自身を含む): 361505760

約数和(自身を除く): 151703505

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 1075909, 3227727, 5379545, 13986817, 16138635, 41960451, 69934085, 209802255]

約数ペア:

[(1, 209802255), (3, 69934085), (5, 41960451), (13, 16138635), (15, 13986817), (39, 5379545), (65, 3227727), (195, 1075909)]