1990099779

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{127399}}^1$

素因数の和:127570

約数の個数: 16

約数和(自身を含む): 2739609600

約数和(自身を除く): 749509821

約数列:

[1, 3, 41, 123, 127, 381, 5207, 15621, 127399, 382197, 5223359, 15670077, 16179673, 48539019, 663366593, 1990099779]

約数ペア:

[(1, 1990099779), (3, 663366593), (41, 48539019), (123, 16179673), (127, 15670077), (381, 5223359), (5207, 382197), (15621, 127399)]