209205417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{67247}}^1$

素因数の和:67328

約数の個数: 16

約数和(自身を含む): 300195072

約数和(自身を除く): 90989655

約数列:

[1, 3, 17, 51, 61, 183, 1037, 3111, 67247, 201741, 1143199, 3429597, 4102067, 12306201, 69735139, 209205417]

約数ペア:

[(1, 209205417), (3, 69735139), (17, 12306201), (51, 4102067), (61, 3429597), (183, 1143199), (1037, 201741), (3111, 67247)]