81511299

素因数分解:

$3^3\times {\mathrm{1667}}^1\times {\mathrm{1811}}^1$

素因数の和:3487

約数の個数: 16

約数和(自身を含む): 120896640

約数和(自身を除く): 39385341

約数列:

[1, 3, 9, 27, 1667, 1811, 5001, 5433, 15003, 16299, 45009, 48897, 3018937, 9056811, 27170433, 81511299]

約数ペア:

[(1, 81511299), (3, 27170433), (9, 9056811), (27, 3018937), (1667, 48897), (1811, 45009), (5001, 16299), (5433, 15003)]