81211491

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{52769}}^1$

素因数の和:52800

約数の個数: 20

約数和(自身を含む): 127703400

約数和(自身を除く): 46491909

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 52769, 158307, 474921, 1002611, 1424763, 3007833, 4274289, 9023499, 27070497, 81211491]

約数ペア:

[(1, 81211491), (3, 27070497), (9, 9023499), (19, 4274289), (27, 3007833), (57, 1424763), (81, 1002611), (171, 474921), (513, 158307), (1539, 52769)]