9889719

素因数分解:

$3^1\times 7^4\times {\mathrm{1373}}^1$

素因数の和:1404

約数の個数: 20

約数和(自身を含む): 15394296

約数和(自身を除く): 5504577

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1373, 2401, 4119, 7203, 9611, 28833, 67277, 201831, 470939, 1412817, 3296573, 9889719]

約数ペア:

[(1, 9889719), (3, 3296573), (7, 1412817), (21, 470939), (49, 201831), (147, 67277), (343, 28833), (1029, 9611), (1373, 7203), (2401, 4119)]