887989959

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{69827}}^1$

素因数の和:69996

約数の個数: 20

約数和(自身を含む): 1334971704

約数和(自身を除く): 446981745

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4239, 12717, 69827, 209481, 628443, 1885329, 5655987, 10962839, 32888517, 98665551, 295996653, 887989959]

約数ペア:

[(1, 887989959), (3, 295996653), (9, 98665551), (27, 32888517), (81, 10962839), (157, 5655987), (471, 1885329), (1413, 628443), (4239, 209481), (12717, 69827)]