201906406971

素因数分解:

$3^4\times {\mathrm{431}}^1\times {\mathrm{5783461}}^1$

素因数の和:5783904

約数の個数: 20

約数和(自身を含む): 302313125664

約数和(自身を除く): 100406718693

約数列:

[1, 3, 9, 27, 81, 431, 1293, 3879, 11637, 34911, 5783461, 17350383, 52051149, 156153447, 468460341, 2492671691, 7478015073, 22434045219, 67302135657, 201906406971]

約数ペア:

[(1, 201906406971), (3, 67302135657), (9, 22434045219), (27, 7478015073), (81, 2492671691), (431, 468460341), (1293, 156153447), (3879, 52051149), (11637, 17350383), (34911, 5783461)]