280107027

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{5393}}^1$

素因数の和:5627

約数の個数: 24

約数和(自身を含む): 420732000

約数和(自身を除く): 140624973

約数列:

[1, 3, 9, 29, 87, 199, 261, 597, 1791, 5393, 5771, 16179, 17313, 48537, 51939, 156397, 469191, 1073207, 1407573, 3219621, 9658863, 31123003, 93369009, 280107027]

約数ペア:

[(1, 280107027), (3, 93369009), (9, 31123003), (29, 9658863), (87, 3219621), (199, 1407573), (261, 1073207), (597, 469191), (1791, 156397), (5393, 51939), (5771, 48537), (16179, 17313)]