206570511

素因数分解:

$3^2\times 7^1\times {\mathrm{191}}^1\times {\mathrm{17167}}^1$

素因数の和:17371

約数の個数: 24

約数和(自身を含む): 342810624

約数和(自身を除く): 136240113

約数列:

[1, 3, 7, 9, 21, 63, 191, 573, 1337, 1719, 4011, 12033, 17167, 51501, 120169, 154503, 360507, 1081521, 3278897, 9836691, 22952279, 29510073, 68856837, 206570511]

約数ペア:

[(1, 206570511), (3, 68856837), (7, 29510073), (9, 22952279), (21, 9836691), (63, 3278897), (191, 1081521), (573, 360507), (1337, 154503), (1719, 120169), (4011, 51501), (12033, 17167)]