19983999

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1759}}^1$

素因数の和:2310

約数の個数: 16

約数和(自身を含む): 30525440

約数和(自身を除く): 10541441

約数列:

[1, 3, 7, 21, 541, 1623, 1759, 3787, 5277, 11361, 12313, 36939, 951619, 2854857, 6661333, 19983999]

約数ペア:

[(1, 19983999), (3, 6661333), (7, 2854857), (21, 951619), (541, 36939), (1623, 12313), (1759, 11361), (3787, 5277)]