996447

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 16

約数和(自身を含む): 1400832

約数和(自身を除く): 404385

約数列:

[1, 3, 37, 47, 111, 141, 191, 573, 1739, 5217, 7067, 8977, 21201, 26931, 332149, 996447]

約数ペア:

[(1, 996447), (3, 332149), (37, 26931), (47, 21201), (111, 8977), (141, 7067), (191, 5217), (573, 1739)]