1242621

素因数分解:

$3^4\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 30

約数和(自身を含む): 2007390

約数和(自身を除く): 764769

約数列:

[1, 3, 9, 23, 27, 29, 69, 81, 87, 207, 261, 529, 621, 667, 783, 1587, 1863, 2001, 2349, 4761, 6003, 14283, 15341, 18009, 42849, 46023, 54027, 138069, 414207, 1242621]

約数ペア:

[(1, 1242621), (3, 414207), (9, 138069), (23, 54027), (27, 46023), (29, 42849), (69, 18009), (81, 15341), (87, 14283), (207, 6003), (261, 4761), (529, 2349), (621, 2001), (667, 1863), (783, 1587)]