81516729

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{6271}}^1$

素因数の和:6900

約数の個数: 16

約数和(自身を含む): 124436480

約数和(自身を除く): 42919751

約数列:

[1, 3, 7, 21, 619, 1857, 4333, 6271, 12999, 18813, 43897, 131691, 3881749, 11645247, 27172243, 81516729]

約数ペア:

[(1, 81516729), (3, 27172243), (7, 11645247), (21, 3881749), (619, 131691), (1857, 43897), (4333, 18813), (6271, 12999)]