1320803337

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{204871}}^1$

素因数の和:205188

約数の個数: 16

約数和(自身を含む): 2019218432

約数和(自身を除く): 698415095

約数列:

[1, 3, 7, 21, 307, 921, 2149, 6447, 204871, 614613, 1434097, 4302291, 62895397, 188686191, 440267779, 1320803337]

約数ペア:

[(1, 1320803337), (3, 440267779), (7, 188686191), (21, 62895397), (307, 4302291), (921, 1434097), (2149, 614613), (6447, 204871)]