51309207

素因数分解:

$3^7\times {\mathrm{29}}^1\times {\mathrm{809}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 79704000

約数和(自身を除く): 28394793

約数列:

[1, 3, 9, 27, 29, 81, 87, 243, 261, 729, 783, 809, 2187, 2349, 2427, 7047, 7281, 21141, 21843, 23461, 63423, 65529, 70383, 196587, 211149, 589761, 633447, 1769283, 1900341, 5701023, 17103069, 51309207]

約数ペア:

[(1, 51309207), (3, 17103069), (9, 5701023), (27, 1900341), (29, 1769283), (81, 633447), (87, 589761), (243, 211149), (261, 196587), (729, 70383), (783, 65529), (809, 63423), (2187, 23461), (2349, 21843), (2427, 21141), (7047, 7281)]